Schulz, Katja https://orcid.org/0000-0003-1816-6554
Oļševskis, Edvīns
Staubach, Christoph
Lamberga, Kristīne
Seržants, Mārtiņš
Cvetkova, Svetlana
Conraths, Franz Josef https://orcid.org/0000-0002-7400-9409
Sauter-Louis, Carola
Article History
Received: 11 September 2018
Accepted: 25 February 2019
First Online: 12 March 2019
Competing Interests
: The authors declare no competing interests.