Generalizability of Risk Stratification Algorithms for Exacerbations in COPD

Ho JK, Safari A, Adibi A, Sin DD, Johnson K, Sadatsafavi M, IMPACT Study (Nick Bansback, Joan L Bottorff, Stirling Bryan, Paloma Burns, Chris Carlsten, Annalijn I Conklin, Mary De Vera, Andrea Gershon, Samir Gupta, Paul Gustafson, Stephanie Harvard, Alison M Hoens, Mehrshad Mokhtaran, Jim Johnson, Phalgun Joshi, Janice Leung, Larry D Lynd, Rebecca K Metcalfe, Kristina D Michaux, Mohsen Sadatsafavi, Brian Simmers, Don D Sin, Daniel Smith, Laura Struik, Dhingra Vinay)