Heissel, A.
Bollmann, J.
Kangas, M.
Abdulla, K.
Rapp, M.
Sanchez, A.
Article History
Received: 20 January 2021
Accepted: 21 May 2021
First Online: 21 June 2021
Declarations
:
: The study was approved by the local ethics committee of University of Potsdam (No.17/2018) and the Freie Universität Berlin (No.206/18). Each participant signed the informed consent forms and was also informed about the data protection policy.
: Not applicable, since no individual data of the participants is being published.
: The authors have no competing interests.