Ricci, F
Parravano, M
Regine, F
Sciamanna, M
Tedeschi, M
Missiroli, F
Varano, M
Article History
First Online: 7 October 2016
Competing interests
: FR, MP, and MV report personal fees from Allergan, personal fees from Bayer, and personal fees from Novartis, outside the submitted work. The remaining authors declare no conflict of interest.