1. University of California, San Diego, Maternal‐Fetal Care and Genetics San Diego California USA
2. Departments of RadiologyUniversity of California San Diego California USA
3. Reproductive MedicineUniversity of California San Diego California USA
4. Stanford University Maternal‐Fetal Medicine Stanford California USA
5. University of California, San DiegoSchool of Medicine San Diego California USA
6. Department of Obstetrics and GynecologyUniversity of California San Francisco Fresno, California USA
7. Department of Obstetrics and GynecologyUniversity of Colorado Boulder Colorado USA
8. Walla Walla University College Place Washington USA
9. University of California Berkeley California USA