Endoscopy, Table of Contents Endoscopy 2020; 52(02): v7DOI: 10.1055/a-1071-9737 Author commentary Author commentary on Theodor Voiosu et al. Recommend Article Abstract Full Text Theodor Voiosu et al. Impact of trainee involvement on the outcome of ERCP procedures: results of a prospective multicenter observational trial. Multicenter trial studying the impact of trainee involvement on outcomes of ERCP. The main finding was that trainee involvement did not adversely affect the success of the procedure or the rate of adverse events. Quality: mobile360480720 Download Refers to: Impact of trainee involvement on the outcome of ERCP procedures: results of a prospective multicenter observational trialEndoscopy 2020; 52(02): 115-122DOI: 10.1055/a-1049-0359