Trapp, Wolfgang http://orcid.org/0000-0003-4066-3258
Röder, Susanne
Heid, Andreas
Billman, Pia
Daiber, Susanne
Hajak, Göran
Article History
Received: 7 September 2020
Accepted: 22 January 2021
First Online: 5 March 2021
Ethics approval and consent to participate
: Written informed consent was obtained either from participants themselves or from their legal guardians after a complete description of the study. The study protocol was approved by the Ethical Review Board of the University of Bamberg.
: Not applicable.
: The authors declare that they have no competing interests.