Kage, Daniel
Hoffmann, Katrin
Nifontova, Galina
Krivenkov, Victor http://orcid.org/0000-0003-0280-2296
Sukhanova, Alyona
Nabiev, Igor http://orcid.org/0000-0002-8391-040X
Resch-Genger, Ute
Article History
Received: 19 August 2019
Accepted: 18 December 2019
First Online: 20 January 2020
Competing interests
: The authors declare no competing interests.