Zhang, P
Elabd, S
Hammer, S
Solozobova, V
Yan, H
Bartel, F
Inoue, S
Henrich, T
Wittbrodt, J http://orcid.org/0000-0001-8550-7377
Loosli, F
Davidson, G
Blattner, C
Article History
Received: 26 May 2014
Revised: 17 December 2014
Accepted: 19 December 2014
First Online: 2 March 2015
Competing interests
: The authors declare no conflict of interest.