Quality of life after anterior mediastinal mass resection: a prospective study comparing open with robotic-assisted thoracoscopic resection - Balduyck, Bram; Hendriks, Jeroen M.; Lauwers, Patrick; Mercelis, Rudy; Ten Broecke, Pieter; Van Schil, Paul (European Journal of Cardio-Thoracic Surgery, 2011)