Oedekoven, Monika
Herrmann, Wolfram J.
Ernsting, Clemens
Schnitzer, Susanne
Kanzler, Melanie
Kuhlmey, Adelheid
Gellert, Paul
Article History
Received: 22 October 2018
Accepted: 11 June 2019
First Online: 6 July 2019
Ethics approval and consent to participate
: Not applicable. After a telephone consultation, the present analysis of anonymous data was classified as secondary data analysis by the head of the local ethics committee office (Ethics committee; Charité – Universitätsmedizin Berlin, Berlin, Germany) without need of further evaluation. In Germany, secondary data analyses do not require ethical approval. All data were collected and analyzed anonymously. Therefore, ethical approval was not obtained.
: Not applicable.
: The authors declare that they have no competing interests.