Marquis, Liza-Marie
Mantel, Irmela
Article History
Received: 22 January 2020
Revised: 25 March 2020
Accepted: 26 April 2020
First Online: 12 May 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The study was approved by the Swiss Federal Department of Health for retrospective data analysis and was performed in accordance with the ethical standards of the Declaration of Helsinki. Informed consent was waived by the ethics committee.