Author contributions
Igor Vendramin, MD: Drafting article
Nunzio Davide De Manna, MD: Data analysis
Sandro Sponga, MD: Data Collection
Andrea Lechiancole, MD: Data analysis
Massimo Sponza, MD: Data interpretation
Elisabetta Auci, MD: Data collection
Tiziana Bove, MD: Data collection
Uberto Bortolotti, MD: Critical revision of article
Ugolino Livi, MD: Approval of article