1. Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong S.A.R., China
2. Department of Pathology, Hong Kong Children’s Hospital, Hong Kong S.A.R., China
3. Clinical Genetic Service, Department of Health, The Government of the Hong Kong S.A.R., China
4. Department of Surgery, Queen Mary Hospital, The University of Hong Kong, Hong Kong S.A.R., China
5. Department of Pathology, Hong Kong Sanatorium & Hospital
6. Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
7. Center of Excellence in Immunology and Immune Mediated Diseases, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand