1. Department of Endocrinology and Metabolism, Toranomon Hospital, Tokyo 105-8470, Japan
2. Department of Metabolism and Endocrinology, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
3. Department of Clinical Laboratory, Toranomon Hospital, Tokyo 105-8470, Japan
4. Division of Molecular Physiology and Metabolism, Faculty of Medicine, Tohoku University, Miyagi 980-8575, Japan
5. Department of Hypothalamic and Pituitary Surgery, Toranomon Hospital, Tokyo 105-8470, Japan
6. Okinaka Memorial Institute for Medical Research, Tokyo 105-8470, Japan
7. Hypothalamic and Pituitary Center, Moriyama Memorial Hospital, Tokyo 134-0081, Japan
8. Department of Integrative Physiology, Gunma University Graduate School of Medicine, Gunma 371-8511, Japan