Comparative effectiveness of paediatric kidney stone surgery (the PKIDS trial): study protocol for a patient-centred pragmatic clinical trial oleh Jing Huang, Aaron Krill, Nicolas Fernandez, Laura Kurth, David I Chu, Jonathan S Ellison, Matthew Lorenzo, Hunter Beck, Ruth Beck, Christopher Forrest, Amy Kratchman, Anna Kurth, Michael Kurtz, Thomas Lendvay, Renae Sturm, Gregory Tasian, Arun K Srinivasan, Michelle Denburg, Susan J Back, Christina B Ching, William Robert DeFoor, Ahmad H Bani-Hani, Pamela I Ellsworth, Andrew A Stec, Kyle Rove, Caleb P Nelson, Douglas E Coplen, Christopher E Bayne, Pankaj P Dangle, Linda A Baker, Nicolette K Janzen, Abby S Taylor, Wolfgang H Cerwinka, Eric D Nelson, Justin B Ziemba, Pasquale Casale, Rosalia Misseri, Kate H Kraft, Bhalaajee Meenakshi-Sundaram, Armando Lorenzo, Antoine Selman Fermin