Michalek, Gabriela
Thronicker, Ines http://orcid.org/0000-0001-7071-2503
Yildiz, Özgür http://orcid.org/0000-0002-7398-1933
Schwarze, Reimund http://orcid.org/0000-0002-2734-9259
Article History
Received: 14 September 2018
Revised: 23 April 2019
Accepted: 18 June 2019
First Online: 8 July 2019
Conflict of interest
: G. Michalek, I. Thronicker, Ö. Yildiz and R. Schwarze declare that they have no competing interests.