1. Fetal Medicine Unit, Dept. of Obstetrics & Gynaecology Mount Sinai Hospital Toronto ON Canada
2. Maternal Fetal Medicine Division, Department of Obstetrics and Gynaecology, College of Medicine King Saud bin Abdulaziz University for Health Sciences ‐ Ministry of National Guard Health Affairs Jeddah Kingdom of Saudi Arabia
3. Ontario Fetal Centre Toronto Canada
4. Division of Neurosurgery Hospital for Sick Children and University of Toronto Toronto Canada