1. Department of Obstetrics and Gynecology, Mansoura Faculty of Medicine, Mansoura University Hospital, Mansoura, Egypt
2. Department of Obstetrics and Gynecology, Georgia Regents University, Augusta, GA, USA
3. Department of Pharmacology, Tanta Faculty of Medicine, Tanta, Egypt
4. Department of Radiation Oncology, Washington University School of Medicine, St Louis, MO, USA
5. Clinical Microbiology Division, University of Pittsburgh, Pittsburgh, PA, USA