1. Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
2. Division of Surgery Oncology, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
3. Division of Diabetes, Endocrinology, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
4. Division of Head and Neck, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA