Three officiating guests Professor Chan Kai-ming, President of International Federation of Sports Medicine (5^th from left), Dr Chung Pak-kwong, Chief Executive of Hong Kong Sports Institute (7^th from left) and Professor Gabriel Ng, Vice President of Hong Kong Association of Sports Medicine & Sports Science (6^th from left) welcome top class experts to share at the International Scientific Symposium held at the Institute. They are: Dr Shona Halson, Australian Institute of Sport, Sports Science and Sports Medicine, Australian Sports Commission, Australia (1^st from left); Dr Ma Yun, National Sports Hospital, National Research Institute of Sports Medicine of the State Sport General Administration of China (2^nd from left); Professor Mark Andersen, School of Human Movement, Recreation and Performance, Victoria University, Australia (3^rd from left); Professor Tian Ye, General Administration of Sport Sci-tech Research Unit of China (4^th from left); as well as Dr Lee Hing Chu (3^rd from right), Ms Susan Chung (2^nd from right) and Ms Polina Cheng (1^st from right) of the Hong Kong Sports Institute.