106
Participants
Start Date
June 1, 2021
Primary Completion Date
May 31, 2024
Study Completion Date
July 31, 2024
Respiratory biofeedback
Repeat the inspiration and exhalation breaths for a fixed period of time using a biofeedback device (ResCalm)
Bon Wook Koo, Seongnam-si
Gyeongsang National University Hospital
OTHER
Seoul National University Bundang Hospital
OTHER