Ahmad, Sufian S. http://orcid.org/0000-0001-9763-092X
Schürholz, Katharina
Liechti, Emanuel F.
Hirschmann, Michael T.
Kohl, Sandro
Klenke, Frank M.
Article History
Received: 29 July 2019
Accepted: 2 October 2019
First Online: 21 October 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The study was performed according to its approval by the ethical commission of the canton of Bern, Switzerland (KEK-BE 253/2014).