Institution: | 1. Department of Microbiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong Special Administrative Region, China;2. Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China;3. Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong Special Administrative Region, China;4. Department of Paediatrics and Adolescent Medicine, Princess Margaret Hospital, Hong Kong Special Administrative Region, China;5. Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong Special Administrative Region, China;6. Department of Clinical Pathology, Princess Margaret Hospital, Hong Kong Special Administrative Region, China |