1. Department of Endocrinology and Metabolism, Nagasaki University Hospital, Nagasaki, Japan
2. Department of Hypothalamic and Pituitary Surgery, Toranomon Hospital, Tokyo, Japan
3. Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
4. Department of Endocrinology and Metabolism, Fujita Health University, Toyoake, Japan