Choi, Taeyoung http://orcid.org/0000-0001-5681-807X
Paul, William
Rolf-Pissarczyk, Steffen
Macdonald, Andrew J. http://orcid.org/0000-0002-7274-5701
Natterer, Fabian D. http://orcid.org/0000-0002-2488-5988
Yang, Kai http://orcid.org/0000-0002-5863-3666
Willke, Philip
Lutz, Christopher P.
Heinrich, Andreas J.
Article History
Received: 5 August 2016
Accepted: 26 January 2017
First Online: 6 March 2017
Competing interests
: The authors declare no competing financial interests.