Kopec, Wojciech http://orcid.org/0000-0001-8801-9563
Köpfer, David A.
Vickery, Owen N.
Bondarenko, Anna S.
Jansen, Thomas L. C. http://orcid.org/0000-0001-6066-6080
de Groot, Bert L. http://orcid.org/0000-0003-3570-3534
Zachariae, Ulrich http://orcid.org/0000-0003-3287-8494
Article History
Received: 6 April 2018
Accepted: 15 June 2018
First Online: 20 July 2018
Competing interests
: The authors declare no competing interests.