Schnitzspahn, Katharina M.
Kvavilashvili, Lia
Altgassen, Mareike
Article History
Received: 29 November 2017
Accepted: 12 December 2018
First Online: 26 December 2018
Compliance with ethical standards
:
: The study was conducted in accord with the Declaration of Helsinki.
: All participants gave written informed consent before participation.