Text and Data Mining valid from 2020-01-13
Received: 26 May 2019
Accepted: 6 January 2020
First Online: 13 January 2020
Ethics approval and consent to participate
: The study was rated by the head of the local Ethic Committee of the Medical Association of Hamburg as a study with humans but not on humans. Therefore, this educational study does not refer to the statutes of the ethic committee (§ 9 des Hamburgischen Kammergesetzes für Heilberufe) and the study was not appropriate for ethic consultation. This study was conducted with the approval of the Ministry of education of the state of Hamburg (Ministerium für Schule und Weiterbildung des Landes Hamburg). All students and their parents were informed about the trial in advance. Only assessments of students with a written informed consent of the parents or legal guardians were included in the analyses.
: Not applicable.
: The authors declare that they have no competing interests.