Oregon Health & Science University, Portland, Oregon, United States
VA Portland Health Care System, Portland, Oregon, United States
OHSU, Portland, Oregon, United States
OHSU, Portland, Oregon, United States
Oregon Health & Science University, Portland, Oregon, United States
University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States
Keck Hospital of USC, Los Angeles, California, United States
Cedars-Sinai, Los Angeles, California, United States
ORPRN, Portland, Oregon, United States
Oregon Health & Science University, Portland, Oregon, United States
Oregon Health & Science University, Portland, Oregon, United States
Quebec Practice-based Research Network, Québec, Quebec, Canada
University of Toronto Practice-based Research Network, Toronto, Ontario, Canada
Iowa Research Network, Iowa City, Iowa, United States
Oregon Health & Science University, Portland, Oregon, United States