1. Department of Endocrinology and Diabetes Saitama Medical University Saitama Japan
2. Department of Infectious Disease and Infection Control Saitama Medical University Saitama Japan
3. Department of Cardiovascular Medicine Saitama Medical University Saitama Japan
4. Department of Anesthesiology Saitama Medical University Saitama Japan
5. Department of Intensive Care Medicine Saitama Medical University Saitama Japan