1. Kaiser Permanente Northwest Center for Health Research, , Portland, OR 97227 , United States
2. Kaiser Permanente Washington Health Research Institute , Seattle, WA 98101 , United States
3. University of Washington Department of Medicine, School of Medicine, , Seattle, WA 98195 , United States
4. University of Washington Department of Epidemiology, School of Public Health, , Seattle, WA 98195 , United States
5. Putnam Data Sciences LLC , Boston, MA 02139 , United States
6. US Food and Drug Administration , Silver Spring, MD 20993 , United States