Researchers 2 (IMAGE) The University of Hong Kong Caption The research was led by Professor Tu Wen-wei, Antony and Nina Chan Professor in Paediatric Immunology, Department of Paediatrics and Adolescent Medicine, HKUMed. Credit The University of Hong Kong Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.