1 ArtroReuma srl, Outpatient of Rheumatology Accredited with National Health System, Corso San Vito 53, 95030, Mascalucia, CT, Italy. d.sambataro@hotmail.it.
2 Institute of Internal and Emergency Medicine, Teaching Hospital "Policlinico, Vittorio Emanuele" University of Catania, Via Santa Sofia 78, 95123, Catania, Italy. d.sambataro@hotmail.it.
3 , Via G. Vitale 1, 95028, Valverde, CT, Italy. d.sambataro@hotmail.it.
4 ArtroReuma srl, Outpatient of Rheumatology Accredited with National Health System, Corso San Vito 53, 95030, Mascalucia, CT, Italy.
5 Institute of Internal and Emergency Medicine, Teaching Hospital "Policlinico, Vittorio Emanuele" University of Catania, Via Santa Sofia 78, 95123, Catania, Italy.