Kudura, Ken
Oblasser, Tobias
Ferraro, Daniela A.
Mader, Caecilia E.
Husmann, Lars
Friedrich, Kerstin
ter Voert, Edwin E. G. W.
Burger, Irene A.
Article History
Received: 29 October 2019
Accepted: 6 March 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: All procedures performed in this study were in accordance with the ethical standards of the ethic committee of Zurich, the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all the individual participants included in the study.
: To the best of our knowledge not applicable.