1. Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8510, Japan
2. Department of Preemptive Medicine and Metabolism, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8510, Japan
3. Center for Medical Welfare and Liaison Services, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8510, Japan
4. Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
5. Department of Pathology, Toranomon Hospital, Minato-ku, Tokyo 105-8470, Japan
6. Department of Hypothalamic and Pituitary Surgery, Toranomon Hospital, Minato-ku, Tokyo 105-8470, Japan