1 Accident and Emergency Medicine Academic Unit, Trauma & Emergency Centre, The Chinese University of Hong Kong, Prince of Wales Hospital, New Territories, Shatin, Hong Kong.
2 Collaborating Centre for Oxford University, JC School of Public Health and Primary Care, Chinese University of Hong Kong for Disaster and Medical Humanitarian Response (CCOUC), The Chinese University of Hong Kong, Shatin, Hong Kong, China.
3 Research Institute of Nursing Care for People and Community, University of Hyogo, 673-8588, Akashi, Japan.
4 World Health Organization, Centre for Health Development, 651-0073, Kobe, Japan.
6 Accident and Emergency Medicine Academic Unit, Trauma & Emergency Centre, The Chinese University of Hong Kong, Prince of Wales Hospital, New Territories, Shatin, Hong Kong. cagraham@cuhk.edu.hk.
7 Collaborating Centre for Oxford University, JC School of Public Health and Primary Care, Chinese University of Hong Kong for Disaster and Medical Humanitarian Response (CCOUC), The Chinese University of Hong Kong, Shatin, Hong Kong, China. cagraham@cuhk.edu.hk.