Elfgen, Constanze
Montagna, Giacomo
Schmid, Seraina Margaretha
Bierbauer, Walter
Güth, Uwe http://orcid.org/0000-0002-1849-5131
Article History
Received: 12 April 2019
Accepted: 24 April 2019
First Online: 2 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The study is in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study design and data collection methods were approved by the institutional review board.