,
Buzzell, A. http://orcid.org/0000-0002-3405-4782
Chamberlain, J. D.
Eriks-Hoogland, I.
Hug, K.
Jordan, X.
Schubert, M.
Zwahlen, M.
Brinkhof, M. W. G. http://orcid.org/0000-0002-9319-665X
Article History
Received: 11 September 2019
Accepted: 16 September 2019
First Online: 7 October 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Ethical committees received approval from the following Cantons: Lucerne, Basel, Valais, and Zurich reference numbers: 1008 [Luzern]; 37/11 [Basel]; CCVEM 015/11 [Valais]; 2012-0049 [Zurich]).