Can Surgical Trainees Achieve Arthroscopic Competence at the End of Training Programs? A Cross-sectional Study Highlighting the Impact of Working Time Directives. - Middleton, Robert M.; Vo, Austin; Ferguson, Jamie; Judge, Andrew; Alvand, Abtin; Price, Andrew J.; Rees, Jonathan L. (Arthroscopy: The Journal of Arthroscopy & Related Surgery, 2017)