1. Department of Breast and Endocrine Surgery; Nagoya University Hospital; Nagoya; Japan
2. Department of Endocrine Surgery; Tokyo Women's Medical University; Tokyo
3. Noguchi Thyroid Clinic and Hospital Foundation; Beppu; Japan
4. Department of Medical Ethics/Medical Genetics; Kyoto University School of Public Health; Kyoto; Japan
5. Department of Breast, Endocrine and Thyroid Surgery; Fukushima Medical University; Fukushima; Japan
6. Department of Clinical Cell Biology; Graduate School of Medicine; Chiba University; Chiba; Japan
7. Division of Diabetes, Endocrinology and Metabolism; Department of Internal Medicine; Shinshu University School of Medicine; Matsumoto; Japan