1. Department of Paediatrics and Adolescent Medicine; Li Ka Shing Faculty of Medicine; The University of Hong Kong; Hong Kong Special Administrative Region China
2. Department of Paediatrics; Queen Elizabeth Hospital; Hong Kong Special Administrative Region China
3. Department of Pathology; The University of Hong Kong; Hong Kong Special Administrative Region China
4. Department of Surgery; Li Ka Shing Faculty of Medicine; The University of Hong Kong; Hong Kong Special Administrative Region China