1School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 2State Key Laboratory of Liver Research, The University of Hong Kong, Hong Kong 3Translational Immunology Institute (TII), SingHealth-DukeNUS Academic Medical Centre, Singapore169856, Singapore Correspondence Stephanie Ma, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong. Email: [email protected] Correspondence Valerie Chew, Translational Immunology Institute (TII), SingHealth-DukeNUS Academic Medical Centre, Singapore. Email: [email protected]