1. Department of Research of Biomolecular for Infectious Disease; Vietnam National Children's Hospital; Hanoi Vietnam
2. Department of Pathology; National Institute of Infectious Diseases; Tokyo Japan
3. Department of Pediatrics Intensive Care Unit; Vietanm National Children's Hospital; Hanoi Vietnam
4. Department of Anesthesiology and Intensive Care; National Center for Global Health and Medicine; Tokyo Japan
5. Department of Preventive Medicine, Tokai University School of Medicine; Center for Molecular Prevention and Environmental Medicine; Isehara Japan
6. Influenza Virus Research Center; National Institute of Infectious Diseases; Tokyo Japan
7. Faculty of Medicine, Division of Pediatrics, Department of Developmental and Urinological-Reproductive Medicine; University of Miyazaki; Miyazaki Japan
8. Department of Surgeon Intensive Care Unit; Vietnam National Children's Hospital; Hanoi Vietnam
9. Department of Emergency; Vietnam National Children's Hospital; Hanoi Vietnam