Nesterko, Yuriy
Jäckle, David
Friedrich, Michael
Holzapfel, Laura
Glaesmer, Heide
Article History
Received: 18 December 2019
Revised: 8 April 2020
Accepted: 9 June 2020
First Online: 17 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the Medical Faculty of the University of Leipzig (446/16-ek). All study procedures were conducted in accordance with the Helsinki Declaration and its later amendments, or comparable ethical standards.
: Written informed consent was granted by all study participants.