1. Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
2. Department of Medicine and Health Sciences “V. Tiberio,” University of Molise, Campobasso, Italy.
3. Division of Internal Medicine and Chronobiology Unit, IRCCS “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Foggia, Italy.
4. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy.