1. a Center for AIDS Research , University of Washington , Seattle , WA , USA
2. b Department of Health Services, School of Public Health , University of Washington , Seattle , WA , USA
3. c Department of Global Health, School of Nursing , University of Washington , Seattle , WA , USA
4. d Department of Psychology , University of Washington , Seattle , WA , USA
5. e Ministry of Health , Beira , Mozambique
6. f Department of Health Services, International Health Program , University of Washington , Seattle , WA , USA