Kravalis, Kristina
Schulze-Bonhage, Andreas
Article History
Received: 11 March 2020
Accepted: 22 April 2020
First Online: 2 June 2020
Ethics approval and consent to participate
: Freiburg Ethics committee, Vote 430/19 (MPG).
: It is planned to publish the trial results.
: There are no competing interests between trial sites and the sponsor.