118
Participants
Start Date
November 1, 2016
Primary Completion Date
May 31, 2021
Study Completion Date
May 31, 2021
Outdoor cold air exposure
Exposure to outdoor cold air (\<10°C or \<50°F, intervention group) for 30 minutes. On completion of the intervention, participants remained under observation at indoor ambient air from 30 minutes to 60 minutes from the intervention.
Lead Sponsor
Pediatric Clinical Research Platform
OTHER