1 School of Social Work, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA.
2 School of Nursing, University of California Los Angeles, Los Angeles, California, USA.
3 Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA.
4 Department of Psychiatry, University of Michigan Medical School, Ann Arbor, Michigan, USA.
5 Program on Women's Healthcare Effectiveness Research, Department of Obstetrics and Gynecology, University of Michigan Medical School, Ann Arbor, Michigan, USA.
6 VA Ann Arbor Healthcare System, Ann Arbor, Michigan, USA.