ELEMENT TRIAL: study protocol for a randomized controlled trial on endoscopic ultrasound-guided biliary drainage of first intent with a lumen-apposing metal stent vs. endoscopic re... oleh Yen-I Chen, Kashi Callichurn, Avijit Chatterjee, Etienne Desilets, Donnellan Fergal, Nauzer Forbes, Ian Gan, Sana Kenshil, Mouen A. Khashab, Rastislav Kunda, Eric Lam, Gary May, Rachid Mohamed, Jeff Mosko, Sarto C. Paquin, Anand Sahai, Gurpal Sandha, Christopher Teshima, Alan Barkun, Jeffrey Barkun, Ali Bessissow, Kristina Candido, Myriam Martel, Corey Miller, Kevin Waschke, George Zogopoulos, Clarence Wong, for the ELEMENT trial and for the Canadian Endoscopic Research Collaborative (CERC)