1. Modena HIV Metabolic Clinic
2. Department of Surgical, Medical, Dental and Morphological Sciences, University of Modena and Reggio Emilia, Italy
3. Division of Infectious Diseases, Department of Medicine, University of Colorado-Anshutz Medical Campus, Aurora, Colorado, USA
4. Department of Infectious Diseases, Azienda Ospedaliero-Universitaria, Policlinico of Modena, Modena, Italy.