1. Department of Obstetrics and Gynaecology, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Kingdom of Bahrain
2. Department of Molecular Medicine, College of Medicine and Medical Sciences and Al-Jawhara Centre for Molecular Medicine, Genetics and Inherited Disorders, Arabian Gulf University, 26671 Manama, Kingdom of Bahrain
3. Department of Family and Community Medicine, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Kingdom of Bahrain
4. Obstetrics and Gynaecology Unit, Vita-Salute San Raffaele University, IRCCS San Raffaele Hospital, I-20132 Milan, Italy