1. Department of Endocrinology and Metabolism, Toranomon Hospital , Tokyo, 105-8470 , Japan
2. Division of Nephrology and Endocrinology, The University of Tokyo Hospital , Tokyo, 113-8655 , Japan
3. Department of Social Epidemiology, Graduate School of Medicine, Kyoto University , Kyoto, 606-8501 , Japan
4. Hakubi Center, Kyoto University , Kyoto, 606-8501 , 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