Chen, Yong
Buyel, Joschka J.
Hanssen, Mark J. W.
Siegel, Franziska
Pan, Ruping
Naumann, Jennifer
Schell, Michael
van der Lans, Anouk
Schlein, Christian
Froehlich, Holger
Heeren, Joerg
Virtanen, Kirsi A.
van Marken Lichtenbelt, Wouter
Pfeifer, Alexander
Article History
Received: 14 October 2015
Accepted: 24 March 2016
First Online: 27 April 2016
Competing interests
: The authors declare no competing financial interests.