1. Tennesee Maternal Fetal Medicine, Nashville (C.R.G.)
2. Department of Obstetrics and Gynecology (C.R.G.)
3. Collaborative Perinatal Cardiac Center, Nashville, TN (C.R.G., S.F.D.)
4. University of Tennessee, Vanderbilt University, Nashville (C.R.G.)
5. Meharry Medical College, Nashville, TN (C.R.G.)
6. Department of Cardiology (S.F.D.), St. Thomas Health Systems, Nashville, TN
7. St Thomas Midtown Comprehensive Heart Failure Center, Nashville, TN (S.F.D.)