Best Case/Worst Case: protocol for a multisite randomised clinical trial of a scenario planning intervention for patients with kidney failure oleh Anne Buffington, Daniel Lam, Amar D Bansal, Karlie Haug, Amy Zelenski, Bret M Hanlon, Lily Stalter, Kristine L Kwekkeboom, Paul Rathouz, Katharine Cheung, Deidra Crews, Rebecca Frazier, Holly Koncicki, Alvin Moss, Maya Rao, Dawn F Wolfgram, Jeniann Yi, Carrie Brill, Rachael Kendrick, Toby C Campbell, Roy Jhagroo, Margaret Schwarze