1 Department of Palliative Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan.
2 Department of General Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan.
3 Division of Hospital Medicine, Department of Internal Medicine, National Taiwan University Hospital, Hsinchu City, Taiwan.
4 Division of Integrated Medicine, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
5 Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, Korea.
6 Division of Hospital Medicine, University of California, San Francisco, California (formerly Advanced Internal Medicine, National University Health System, Singapore).
7 Department of General Internal Medicine, Hiroshima University Graduate School of Biomedical & Health Sciences, Hiroshima, Japan.
8 Haradoi Hospital, Fukuoka, Japan.
9 Department of Internal Medicine, John A Burns School of Medicine, University of Hawaii, Honolulu, Hawaii.