Blüm, Philipp
Pircher, Joachim
Merkle, Monika
Czermak, Thomas
Ribeiro, Andrea
Mannell, Hanna
Krötz, Florian
Hennrich, Alexander
Spannagl, Michael
Köppel, Simone
Gaitzsch, Erik
Wörnle, Markus
Article History
Received: 10 September 2015
Revised: 28 January 2016
Accepted: 29 January 2016
First Online: 18 April 2016
Competing interests
: The authors declare no conflict of interest.