Article History
Received: 4 November 2019
Accepted: 13 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: was provided by the University of Tuebingen Ethical Committee, Chairman Prof. Luft, on 05/29/2018 with the project number 403/2018BO2. The Ethics Committee’s approval was conditional on the written consent of the parents or legal guardians of all patients.
: Not applicable.
: The authors declare that they have no competing interests.