Burri, A
Porst, H
Article History
Received: 19 December 2014
Revised: 4 June 2015
Accepted: 17 June 2015
First Online: 30 July 2015
Competing interests
: AB investigator, speaker and Advisory Board Member for Menarini; HP investigator, speaker and consultant for Eli Lilly, Menarini/Berlin Chemie and Auxilium.