Wai Lun Law, MBBS, MS, FRCS (Edin.), FACSAnthony and Anne Cheung Professor in Innovative and Minimally Invasive Surgery, Director, Surgical Skills Centre, The University of Hong KongChief, Division of Colorectal Surgery, Department of Surgery, Queen Mary Hospital, Hong Kong, ChinaHKU-Shenzhen Hospital, Shenzhen, ChinaConor P. Delaney, MD, MCh, PhD, FRCSI, FACS, FASCRSThe Jeffrey L. Ponsky Professor of Surgical Education, University Hospitals Case Medical Center, Case Western Reserve University, Chief, Division of Colorectal Surgery, Director, Digestive Health Institute, Cleveland, OH, USA