1. Department of Allergy and Clinical Immunology, Chiba University Hospital , Chiba, Japan
2. Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo , Tokyo, Japan
3. Department of General Internal Medicine, Teine Keijinkai Hospital , Sapporo, Japan
4. Division of Nephrology and Endocrinology, The University of Tokyo , Tokyo, Japan
5. Emergency and Critical Care Center, Tokyo Metropolitan Hiroo Hospital , Tokyo, Japan
6. Department of Real World Evidence, Graduate School of Medicine, The University of Tokyo , Tokyo, Japan