1. Kaiser Permanente Northern California, 214681, Division of Research, Oakland, California, United States
2. Kaiser Permanente Division of Research, 73265, Oakland, California, United States
3. Kaiser Permanente Division of Research, 73265, Division of Research, Oakland, California, United States;
4. Harvard University T H Chan School of Public Health, 1857, Environmental Health; Epidemiology, Boston, Massachusetts, United States