The University of Osaka - Department of Metabolic Medicine, Juntendo University - Department of Metabolism and Endocrinology, Juntendo Tokyo Koto Geriatric Medical Center, Shiraiwa Medical Clinic, Osaka Police Hospital, University of Occupational and Environmental Health - First Department of Internal Medicine, University of Occupational and Environmental Health - First Department of Internal Medicine, Osaka General Medical Center, Kawasaki Medical School, Nakakinen Clinic, Kansai Rosai Hospital, Misaki Naika Clinic, Kitasenri Maeda Clinic, Jiyugaoka Medical Clinic, Kosugi Medical Clinic, Otoshi Medical Clinic, Hayashi Clinic, Nippon Life Hospital, Ikeda Municipal Hospital, Osaka Rosai Hospital, National Hospital Organization (NHO) - Osaka National Hospital, Kawasaki Hospital, Kanda Naika Clinic, Keio University - Department of Preventive Medicine and Public Health, Juntendo University - Department of Metabolism and Endocrinology, The University of Osaka - Department of Metabolic Medicine and Independent