1. Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital; Nagoya Japan
2. Department of Cardiology; St. Luke's International Hospital; Tokyo Japan
3. Infectious Disease Surveillance Center; National Institute of Infectious Diseases; Tokyo Japan
4. Alice Lee Center for Nursing Studies; NUS Yong Loo Lin School of Medicine; Singapore Singapore
5. Global Health Nursing, Graduate School of Nursing Science; St. Luke's International University; Tokyo Japan