[1] Univ Washington, Sch Nursing, Seattle, WA USA
[2] Univ Washington, Dept Global Hlth, Seattle, WA USA
[3] Univ Calif San Francisco, Dept Med, San Francisco, CA USA
[4] San Francisco Dept Publ Hlth, San Francisco, CA USA
[5] Univ Washington, Dept Med, Seattle, WA USA
[6] Publ Hlth Seattle & King Cty, Seattle, WA USA
[7] Univ Washington, Dept Child Family & Populat Hlth Nursing, Seattle, WA USA
[8] Univ Washington, Dept Biobehav Nursing & Hlth Informat, Seattle, WA 98195 USA
[9] Univ Washington, Dept Epidemiol, Seattle, WA USA