Funding for this research was provided by:
Deutsches Zentrum für Infektionsforschung (Clinical Leave Stipend)
Received: 4 September 2020
Accepted: 5 November 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: This study was approved by the local ethics committee (Justus-Liebig-University, Giessen, Germany, trial code 240/16). The study methods and results are presented in accordance with STROBE guidelines.
: Not applicable.
: The authors declare no competing interests.