1. Department of Public Health and Community Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
2. Department of Obstetrics and Gynecology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
3. Teacher Education Department, The University of Texas at El Paso, El Paso, TX, USA
4. Faculty of Medicine, Yarmouk University, Irbid, Jordan