1. Dipartimento di Biologia, Università di Napoli “Federico II”, 80126 Napoli, Italy
2. Department of Chemistry, Eastern Kentucky University, Richmond, KY 40475, USA
3. Service of Endocrinology, Dr. Peset University Hospital, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46010 Valencia, Spain
4. Department of Physiology, University of Valencia, Valencia, Spain