1. Department of Internal Medicine, University of Torino, Torino, Italy
2. Department of Medical and Surgical Sciences, University of Padova, Padova, Italy
3. Department of Medical, Technological and Translational Sciences, University of Trieste, Cattinara Hospital, Trieste, Italy
4. Section of Human Anatomy, School of Pharmacy, University of Camerino, Camerino (MC), Italy