1. Fetal Medicine Foundation of America, New York, NY, USA
2. Comprehensive Genetics, PLLC, New York, NY, USA
3. Department of Obstetrics & Gynecology, Icahn School of Medicine at Mt. Sinai, New York, USA
4. Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
5. Department of Obstetrics and Gynecology, Medical College of Georgia, Augusta University, Augusta, GA, USA