del Rey, A
Verdenhalven, M
Lörwald, A C
Meyer, C
Hernangómez, M
Randolf, A
Roggero, E
König, A M
Heverhagen, J T
Guaza, C
Besedovsky, H O
Article History
Received: 20 March 2015
Revised: 26 September 2015
Accepted: 29 September 2015
First Online: 8 December 2015
Competing interests
: The authors declare no conflict of interest.