1. Trauma and Injury Research Center, Iran University of Medical Sciences, Tehran, Iran

2. Department of Obstetrics and Gynecology, Good Samaritan Medical Center, Brockton, United States of America

3. Department of Obstetrics and Gynecology, Bank-e-Melli Iran Hospital, Tehran, Iran

4. Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

5. Iran University of Medical Sciences, Tehran, Iran

6. Department of Obstetrics and Gynecology, University Hospitals Schleswig-Holstein Campus Kiel, Kiel, Germany