Funding for this research was provided by:
Universitätsmedizin Greifswald
Article History
Received: 13 February 2020
Revised: 2 June 2020
Accepted: 12 June 2020
First Online: 26 June 2020
Compliance with ethical standards
: Institutional Review Board was obtained at the local ethical committee of the Universitätsmedizin Greifswald.
: The authors declare that they have no conflict of interest.