Sheedfar, F
Vermeer, M
Pazienza, V
Villarroya, J
Rappa, F
Cappello, F
Mazzoccoli, G
Villarroya, F
van der Molen, H
Hofker, M H
Koonen, D P
Vinciguerra, M
Article History
Received: 19 March 2014
Revised: 6 May 2014
Accepted: 15 May 2014
First Online: 21 May 2014
Competing interests
: The authors declare no conflict of interest.