1. Department of Obstetrics and Gynaecology, School of Medicine and Dentistry College of Health Sciences, University of Ghana, Accra, Ghana;;
2. School of Public Health College of Health Sciences, University of Ghana, Accra, Ghana;
3. Department of Medicine Division of Endocrinology Diabetes and Bone Disease Icahn School of Medicine at Mount Sinai, New York, NY, USA;
4. Department of Obstetrics and Gynecology Medical College of Georgia, Augusta University, Augusta, GA, USA;
5. Department of Health Policy, Management, and Behavior School of Public Health, University at Albany, SUNY Rensselaer, NY, USA;
6. Department of Obstetrics and Gynecology, Albany Medical College, Albany, NY, USA