1. Department of Surgery, BronxCare Health System, Bronx, New York, USA.
2. Department of Surgery, Division of Endocrine and Oncologic Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
3. Department of Surgery, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA.
4. Department of Endocrine Surgery, Henry Dunant Hospital Center, Athens, Greece.