1. Africa Center of Excellence for Population Health and Policy Bayero University Kano Kano Nigeria
2. Institute of Metabolism and Systems Research, WHO Collaborating Centre in Global Women’s Health University of Birmingham Birmingham UK
3. Department of Medicine, Aminu Kano Teaching Hospital Kano Bayero University Kano Kano Nigeria
4. Department of Community Medicine, Aminu Kano Teaching Hospital Bayero University Kano Kano Nigeria
5. Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital Bayero University Kano Kano Nigeria