Rockenfeller, P
Koska, M
Pietrocola, F
Minois, N
Knittelfelder, O
Sica, V
Franz, J
Carmona-Gutierrez, D
Kroemer, G
Madeo, F
Article History
Received: 30 June 2014
Revised: 17 November 2014
Accepted: 19 November 2014
First Online: 9 January 2015
Competing interests
: The authors declare no conflict of interest.