PCORnet Bariatric Study: Patient-Centered and Policy- Relevant Research on Bariatric Outcomes David Arterburn, Kathleen McTigue, Neely Williams, Karen J. Coleman, and Anita Courcoulas for the PCORnet Bariatric Study Collaborative* *Jane Anau, Caroline Apovian, Lydia Bazzano, Jason Block, Jeff Brown, Jeanne Clark, Nirav Desai, Elizabeth Doane, Emily Eckert, Ana Emiliano, Cheri Janning, Pietro Gallasetti, John Holmes, Thomas Inge, Cheri Janning, Lingling Li, Elisha Malanga, Corrigan L. McBride, James McClay, Marc Michalsky, Sameer Murali, Joe Nadglowski, Rabih Nemr, Gabrielle Purcell, Laura Rasmussen-Torvik, Tyler R. Ross, Roz Saizan, Bryan Sandler, David Schlundt, Steven R. Smith, Ali Tavakkoli, Tammy St. Clair, Julie Tice, Darren Toh, Josep