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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this
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Trial registered on ANZCTR
Registration number
ACTRN12624001376538p
Ethics application status
Submitted, not yet approved
Date submitted
17/10/2024
Date registered
20/11/2024
Date last updated
20/11/2024
Date data sharing statement initially provided
20/11/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
Effects of using an augmented breathing device on stress, anxiety, depression, and sleep
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Scientific title
Effects of using an augmented breathing device in people with self-reported mild or moderate stress, anxiety, depression, and sleep problems
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Secondary ID [1]
313057
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None
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Universal Trial Number (UTN)
U1111-1313-7678
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Mild to moderate sleep problems
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Mild to moderate stress and anxiety
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Mild to moderate depression
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Condition category
Condition code
Respiratory
331862
331862
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0
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Other respiratory disorders / diseases
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Mental Health
331863
331863
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0
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Anxiety
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Mental Health
331864
331864
0
0
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Depression
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Neurological
331865
331865
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0
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Studies of the normal brain and nervous system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Device: Goodair Nosebuds, a small, wearable device that fits onto the nose to deliver mechanostimulation to the nasal airway mucosa during breathing.
Modes of Operation: The device has two modes:
1) Breeze Mode: Provides humming stimulation to both sides of the nose without airflow regulation.
2) Relax Mode: Applies lateralized humming and airflow regulation that alternates between each side of the nose every 3 minutes.
Usage: Participants will use the Nosebuds for 12 minutes, twice daily, over a 4-week period. The timing for device use is 12 minutes because the cycling mode of the device requires 3 minutes per cycle. Therefore, to complete two cycles, each lasting 3 minutes, the total duration sums up to 12 minutes.
a) The study will have two separate groups of participants, with each group assigned to a different mode of the Nosebuds. One group will use the Breeze (Decongestion) mode, while the other group will exclusively use the Relax (De-stress) mode throughout the study. This approach allows for a direct comparison of the effects of each mode on the participants.
b) Usage Timing: Participants are instructed to use the Nosebuds twice daily for 12 minutes each session. The specific timing within the day isn’t rigid; participants can choose when to use the device.
c) Position During Use: The Nosebuds can be used while sitting or lying down, but there is no requirement to be in a specific position during usage. Participants are encouraged to be comfortable while using the device
d) Adherence Monitoring: Adherence to the intervention will be assessed primarily through self-reporting, where participants may maintain a diary to log their daily usage.
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Intervention code [1]
329613
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Treatment: Devices
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Comparator / control treatment
The study includes a control group that will not receive the Goodair Nosebuds device for 4-week home use. This control group allows for comparison between those using the device and those receiving no intervention, in order to assess the longitudinal effects of the Goodair Nosebuds on modulating stress, anxiety, depression, and sleep.
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Control group
Active
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Outcomes
Primary outcome [1]
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Brain functional connectivity
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Assessment method [1]
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Brain functional connectivity: Assessed using Electroencephalogram (EEG) to measure changes in brain network activity.
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Timepoint [1]
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Acute effects: Assessments will be made before, during, and immediately after each 12-minute session of device use. This will help capture any short-term or immediate changes in the participants Longitudinal effects: Evaluations will occur before the intervention begins and after 4 weeks of twice-daily use. This timing will help understand how the device impacts the participants' conditions over an extended period.
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Primary outcome [2]
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HRV, EDA, and RR will be assessed as a composite primary outcome for the autonomic nervous system
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Assessment method [2]
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Heart Rate Variability (HRV): Measured using chest electrodes and fingers sensors to calculate standard deviation of the inter-beat interval (SDNN) and root mean square of successive differences (RMSSD). Electrodermal Activity (EDA): Assessed using skin conductance levels and responses. Respiratory Rate (RR): Measured in breaths per minute using a respiratory belt.
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Timepoint [2]
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Acute effects: Assessments will be made before, during, and immediately after each 12-minute session of device use. This will help capture any short-term or immediate changes in the participants Longitudinal effects: Evaluations will occur before the intervention begins and after 4 weeks of twice-daily use. This timing will help understand how the device impacts the participants' conditions over an extended period.
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Secondary outcome [1]
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Sleep architecture and sleep quality This will be assessed as a composite outcome
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Assessment method [1]
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Sleep Architecture [time spent in different sleep stages (REM and non-REM sleep)], and sleep quality (Fitbit sleep scores) will be measured using Fitbit wearables
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Timepoint [1]
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Data from Fitbit wearables will be collected before the intervention to establish baseline measures of participants' physiological states. During the 4-week intervention, data will be recorded on a daily basis to monitor ongoing changes, ensuring consistent tracking of autonomic nervous system responses throughout the study. Data will also be collected on the post-intervention assessment session after the 4-week intervention period.
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Secondary outcome [2]
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Self-reported sleep quality
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Assessment method [2]
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Pittsburgh Sleep Quality Index (PSQI) questionnaire
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Timepoint [2]
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PSQI questionnaire will be completed before and after the 4-week intervention.
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Secondary outcome [3]
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Mental Health (Stress, Anxiety, Depression)
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Assessment method [3]
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Mental Health (Stress, Anxiety, Depression) will be evaluated using the self-reported Depression, Anxiety, and Stress Scale 21 (DASS-21) questionnaire.
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Timepoint [3]
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Before and after the 4-week intervention period.
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Eligibility
Key inclusion criteria
Adults aged 18 years and older who self-report pre-clinical stress, anxiety, depression, or sleep issues and score 'mild' or 'moderate' on the DASS-21 or PSQI questionnaires are eligible for inclusion.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Exclusion criteria include individuals with a recent upper airway or sinus infection, a history of mental illness, respiratory conditions (except mild, well-controlled asthma), noticeable septum deviation or perforation, and allergies. Current smokers (including those who smoke cigarettes, vape, or use any form of smoking), as well as individuals who have quit smoking in the past five years or have used any form of tobacco or recreational drugs within the last three months, will also be excluded. Additionally, individuals with chronic conditions such as heart disease, cardiovascular disease, metabolic diseases (including diabetes), disorders of the autonomic nervous system, or any diagnosed neurological conditions are not eligible. Participants with noticeable septum deviation, perforation, or abnormal nasal mucosa will be excluded. Furthermore, individuals scoring 'normal,' 'severe,' or 'very severe' on the DASS-21 or PSQI questionnaires will not be eligible.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Following recruitment, screening and informed consent, eligible participants will be randomised using a randomisation schedule generated by a computer system. This will be held by a third party.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Randomization will be achieved using a minimization/stratification randomization strategy. This approach ensures participants are assigned to one of three study arms (Breeze, Relax, or control) in a balanced manner, accounting for factors like sex and self-reported symptom severity to represent the general population.
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
25/11/2024
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Actual
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Date of last participant enrolment
Anticipated
1/09/2025
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Actual
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Date of last data collection
Anticipated
1/12/2025
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Actual
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Sample size
Target
60
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Auckland
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Funding & Sponsors
Funding source category [1]
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Other
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Name [1]
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New Zealand College of Chiropractic
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Address [1]
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Country [1]
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New Zealand
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Funding source category [2]
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Government body
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Name [2]
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Foreign Technology Assessment Support
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Address [2]
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Country [2]
317643
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United States of America
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Primary sponsor type
Other
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Name
New Zealand College of Chiropractic
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Address
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Country
New Zealand
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
319794
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Country [1]
319794
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
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Health and Disability Ethics Committee
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Ethics committee address [1]
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Ministry of Health Health and Disability Ethics Committees PO Box 5013 Wellington 6140
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
316210
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11/10/2024
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Approval date [1]
316210
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Ethics approval number [1]
316210
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Summary
Brief summary
Sleep, breathing, and mental health are closely linked. This study aims to assess and compare the acute (immediate) effects of two augmented breathing devices on the brain activity using an electroencephalogram (EEG), and on the autonomic (fight/flight vs.rest and digest) nervous system using variability in heart rate, changes in conductivity of skin, and speed of breathing. It will also look at the longitudinal (longer-term) effect of using these devices on sleep, using a FitBit wearable, and on perceptions of depression, anxiety, and stress using questionnaires. The devices, called "nosebuds," are designed to be worn in the nostrils and induce a vibration that mimics humming, which can promote a calmer state and alter brain activity. One device vibrates both nostrils simultaneously, while the other alternates vibrations between the right and left nostril. The hypothesis of this study is that the Goodair Nosebuds can reduce stress, anxiety, and depression by improving autonomic nervous system regulation. The device operates in two modes: one produces a vibration that mimics humming in both nostrils, and the other alternates between the right and left nostrils. It is expected that regular use of either mode will help participants achieve better autonomic balance, potentially reducing symptoms of stress and improving mood. This may be evidenced by changes in brain activity, heart function, breathing, and skin response, all of which are linked to stress response and overall mental well-being
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Imran Khan Niazi
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Address
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New Zealand College of Chiropractic 6 Harrison Road Mount Wellington Auckland 1060
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Country
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New Zealand
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Phone
137158
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+64 2102847764
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Fax
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Email
137158
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[email protected]
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Contact person for public queries
Name
137159
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Imran Khan Niazi
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Address
137159
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New Zealand College of Chiropractic 6 Harrison Road Mount Wellington Auckland 1060
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Country
137159
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New Zealand
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Phone
137159
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+64 2102847764
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Fax
137159
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Email
137159
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[email protected]
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Contact person for scientific queries
Name
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Imran Khan Niazi
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Address
137160
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New Zealand College of Chiropractic 6 Harrison Road Mount Wellington Auckland 1060
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Country
137160
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New Zealand
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Phone
137160
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+64 2102847764
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Fax
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Email
137160
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[email protected]
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Data sharing statement
Will the study consider sharing individual participant data?
No
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
Download to PDF