Stemmer, K
Kotzbeck, P
Zani, F
Bauer, M
Neff, C
Müller, T D
Pfluger, P T
Seeley, R J
Divanovic, S
Article History
Received: 29 April 2014
Revised: 6 October 2014
Accepted: 14 October 2014
First Online: 28 October 2014
Competing interests
: The authors declare no conflict of interest.