(From left) Prof. Jessie LIANG, Research Associate Professor of the Department of Medicine and Therapeutics; Prof. Siew NG, Associate Director of the Centre for Gut Microbiota Research; Prof. Francis CHAN, Dean of Medicine and Director of the Centre for Gut Microbiota Research, at CU Medicine; and Prof. Jun YU, Director of the State Key Laboratory of Digestive Disease (CUHK).