Funding for this research was provided by:
Pfizer Pharmaceuticals (WI187316)
Johanna und Fritz Buch Gedächtnis-Stiftung
Received: 24 June 2020
Accepted: 3 October 2020
First Online: 16 October 2020
Ethics approval and consent to participate
: Study was approved by the local ethical committee.
: Is enclosed by each author.
: The authors declare that they have no competing interests.