| Affiliation: | 1. Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, La Jolla, California, USA;2. Veterans Affairs San Diego Healthcare System, La Jolla, California, USA;3. Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, California, USA;4. Johns Hopkins University, Baltimore, Maryland, USA;5. Wake Forest University, Winston‐Salem, North Carolina, USA;6. University of Minnesota, Minneapolis, Minnesota, USA |
