Philip WY Chiu is a professor at the Division of Upper GI Surgery, the Department of Surgery, the Chinese University of Hong Kong (CUHK), China. He is also the director of CUHK Jockey Club Minimally Invasive Surgical Skills Center and Chow Yuk Ho Technology Center for Innovative Medicine. Yasushi Sano is a professor, director and chief of the Gastrointestinal Center & Institute of minimally-invasive endoscopic care (iMEC), Sano Hospital, Kobe, Japan. Noriya Uedo is a professor and director of the Department of Gastrointestinal Oncology, Endoscopy Training and Learning Center, Osaka Medical Center for Cancer & Cardiovascular Diseases, Japan. Rajvinder Singh is a professor and director of Gastroenterology Department, Lyell McEwin Hospital, Adelaide, Australia.