Received: 14 February 2020
Accepted: 9 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: The study followed the standard ethical guidelines for research conducted on students in Norway. The heads of participating schools granted permission for their schools to be involved in this study. All the participants were provided detailed information about the purpose of the study so that they could make informed decisions regarding participation. They were assured that the participation was voluntary, and they were guaranteed anonymity and confidentiality Approvals from the Medical Research Ethical Committee and the Norwegian Social Science Data Services were not required for this study.Coordinators (Eli B Eikefjord, Western Norway University of Applied sciences; Linda Hafskjold, University of South-Eastern Norway; Astrid Berntsen, Norwegian University of Science and Technology; and Cato Johansen, UiT The Arctic University of Norway) from participating institutions approved this study.The study participants were informed about their consent orally and in writing.
: Not applicable.
: The author declares that there are no competing interests.