1. Qatar Research and Leadership Program, Qatar Foundation, Doha, Qatar
2. Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada
3. Department of Oncology, University of Calgary, Calgary, AB, Canada
4. Department of Obstetrics and Gynecology, King Saud University, Riyadh, Saudi Arabia
5. Department of Obstetrics and Gynecology, University of Calgary, Calgary, AB, Canada
6. Department of Medicine, University of Calgary, Calgary, AB, Canada