1. Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
2. Department of Clinical Epidemiology and Health Economics, School of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
3. Department of Nephrology, Immunology, and Vascular Medicine, Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kanagawa, Japan
4. Department of Emergency and Critical Care Medicine, University of Tokyo Hospital, Tokyo, Japan
5. Department of Nephrology and Endocrinology, University of Tokyo Hospital, Tokyo, Japan
6. Center for Pharmacoepidemiology and Treatment Science, Rutgers, The State University of New Jersey, NJ, USA
7. Department of Pharmacoepidemiology, Kyoto University, Kyoto, Japan