1. University of Torino; Department of Surgical Sciences; Corso Achille Mario Dogliotti 14 Turin Italy 10126
2. University of Perugia; Surgical and Biomedical Science; SantAndrea delle Fratte Perugia Italy 06100
3. University of Perugia; Department of General Surgery; Terni Italy 05100
4. Mercer University; Tift College of Education; 3001 Mercer University Dr. Atlanta GA USA 30341
5. University of Torino; Division of Nuclear Medicine; Corso AM Dogliotti 14 Torino Torino Italy 10126