1. Division of Endocrinology and Metabolism; Department of Internal Medicine; Soonchunhyang University Hospital; Soonchunhyang University College of Medicine; Seoul Republic of Korea
2. Department of Pathology; Kyung Hee University Hospital; Kyung Hee University School of Medicine; Seoul Republic of Korea
3. Department of Pathology; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Republic of Korea
4. Division of Breast and Endocrine Surgery; Department of Surgery; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Republic of Korea
5. Department of Otorhinolaryngology-Head and Neck Surgery; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Republic of Korea
6. Division of Endocrinology and Metabolism; Department of Medicine; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Republic of Korea