Details of ethics approval
This cross-sectional study required the authorization from the relevant
authorities to conduct the study within private and public high schools:
Diocesan Direction of Catholic Education (February 2, 2019) and the
Academy of Rennes (March 7, 2019), respectively. We also obtained
approval from the Ethics Committee of Montpellier University Hospital on
March 12, 2019 (ID-RCB: 2019-A00302-55, clinical trial number:
NCT04007471)