Received: 9 June 2020
Accepted: 31 August 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: The study protocol was approved by the Goethe University (Frankfurt, Germany) ethics committee (register number: 78/18).
: Not applicable.
: The authors Puria Parvini, Karina Obreja, Kathrin Becker, Maria Elisa Galarraga, Frank Schwarz, and Ausra Ramanauskaitestated explicitly states that there are no conflicts of interest related to this article.