1. Interregional Reference Center for Porphyria, 71013 San Giovanni Rotondo, Italy
2. Department of Medical Sciences, Division of Nephrology, Fondazione IRCCS “Casa Sollievo della Sofferenza”, 71013 San Giovanni Rotondo, Italy
3. Anatomical Pathology Unit, “Perrino” Hospital, 72100 Brindisi, Italy
4. Division of Oncology, Fondazione IRCCS “Casa Sollievo della Sofferenza”, 71013 San Giovanni Rotondo, Italy
5. Division of Internal Medicine and Chronobiology Laboratory, Department of Medical Sciences, Fondazione IRCCS “Casa Sollievo della Sofferenza”, 71013 San Giovanni Rotondo, Italy