1. Department of Endocrinology and Metabolism Kyoto Prefectural University of Medicine, Graduate School of Medical Science Kyoto Japan
2. Department of Diabetes and Endocrinology Matsushita Memorial Hospital Moriguchi Japan
3. Department of Health Care Center Panasonic Health Insurance Organization Moriguchi Japan
4. Department of Orthopaedic Surgery Matsushita Memorial Hospital Moriguchi Japan