1. Department of Clinical Medicine and Surgery, Federico II University Medical School of Naples, Italy;
2. Centro Ricerche Oncologiche Di Mercogliano, Istituto Nazionale per Lo Studio E La Cura Dei Tumori “Fondazione Giovanni Pascale”, IRCCS, Italy;
3. Center of Obesity and Eating Disorders, Stella Maris Mediterraneum Foundation, C/Da S. Lucia, Chiaromonte, Potenza, Italy;
4. Department of Internal Medicine, Umberto I Hospital, Nocera Inferiore, Salerno, Italy