1. National Center for Maternal and Child Health, Ulaanbaatar, Mongolia.
2. Barbra Streisand Women's Heart Center, Cedars-Sinai Heart Institute, Los Angeles, California.
3. Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
4. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.