Imig, Jochen http://orcid.org/0000-0001-6375-2240
Brunschweiger, Andreas http://orcid.org/0000-0002-4401-1495
Brümmer, Anneke
Guennewig, Boris
Mittal, Nitish
Kishore, Shivendra
Tsikrika, Panagiota
Gerber, André P
Zavolan, Mihaela
Hall, Jonathan
Article History
Received: 7 September 2014
Accepted: 29 October 2014
First Online: 22 December 2014
Competing interests
: The authors declare no competing financial interests.