Short biography Dr. Chun-Yan Yeung, MD, PhD, obtained his medical degree from the National Taiwan University, Taiwan and his PhD from the Institute of Biochemical and Biotechnology, National Taipei University of Science and Technology, Taiwan. He was elected the President of Taiwan Society of Pediatric Gastroenterology, Hepatology and Nutrition from 2016 to 2019. Currently, he is in the position of Senior Attending Physician in Department of Pediatric Gastroenterology, Hepatology and Nutrition, MacKay Children’s Hospital, Taipei, Taiwan. He also serves as the Associate Professor of Department of Medicine, MacKay Medical College, Taipei, Taiwan. He is board-certified in Pediatrics, Neonatology, Pediatric Gastroenterology, Hepatology and Nutrition, Pediatric Intensive Care. Dr. Yeung has published almost 80 peer review articles in high profile journals together with invited reviews and book chapters. He is currently serving as an Editorial Board Members for World Journal of Hepatology, Pediatrics and Neonatology, Austin Journal of Pediatrics, International Journal of Gynecology, Obstetrics and Neonatal Care.Research interests include pediatric gastrointestinal and hepatic diseases, infant and breast milk nutrition, sonography, gut microbiota, probiotics and tight junction. He is recently working on nanotechnology using 16s ribosomal DNA probe-gold nanoparticle in the rapid detection of Salmonella in clinical specimens. Chun-Yan Yeung, MD, PhD. Senior Attending Physician, Department of Pediatrics, MacKay Children's Hospital, Taipei, Taiwan. Associate Professor, Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.