1. Division of Surgical Oncology, Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts, USA.
2. Division of Endocrine Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
3. Division of Endocrinology and Metabolism, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
4. Department of Pathology and Laboratory Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.