Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Paediatrics Department, University of Port Harcourt, Nnamdi Azikiwe University, University of Abuja - Department of Obstetrics and Gynaecology, Obafemi Awolowo University, University of Maiduguri, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, University of Calabar Teaching Hospital, Nnamdi Azikiwe University, Chukwuemeka Odumegwu Ojukwu University, Nnamdi Azikiwe University, Nnamdi Azikiwe University - HIV Care Laboratory/HIV Care Department,, Nnamdi Azikiwe University, Nnamdi Azikiwe University, Nnamdi Azikiwe University, University of Port Harcourt, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University, Obafemi Awolowo University, Obafemi Awolowo University Teaching Hospitals Complex - Department of Nursing, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Pharmaceutical Sciences, Nnamdi Azikiwe University, Obafemi Awolowo University, University of Maiduguri, Nnamdi Azikiwe University, Nnamdi Azikiwe University, Aminu Kano Teaching Hospital, Aminu Kano Teaching Hospital, University of Maiduguri, University of Port Harcourt, Nnamdi Azikiwe University, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Paediatrics, Nnamdi Azikiwe University, Nnamdi Azikiwe University, Nnamdi Azikiwe University - Department of Nursing, Nnamdi Azikiwe University, Nnamdi Azikiwe University, University of Rwanda, Nnamdi Azikiwe University, Bayero University, Nigerian Institute of Medical Research - Clinical Sciences Department, Nnamdi Azikiwe University and Independent

University of North Carolina (UNC) at Chapel Hill - Division of Infectious Disease, University of North Carolina (UNC) at Chapel Hill - Department of Epidemiology, University of North Carolina (UNC) at Chapel Hill - Institute for Global Health and Infectious Diseases, University of North Carolina (UNC) at Chapel Hill - Department of Health Behavior, San Francisco Department of Health, Northwestern University - Department of Pediatrics, Wake Forest University - Department of Implementation Science, Nigerian Institute of Medical Research, Saint Louis University - Department of Behavioral Sciences and Health Education, London School of Hygiene & Tropical Medicine - Department of Clinical Research, Biomedical Research and Training Institute, Jomo Kenyatta University of Agriculture and Technology, University of Ibadan - Department of Medicine and Surgery, Nigerian Institute of Medical Research, University of North Carolina (UNC) at Chapel Hill - Department of Social Medicine, Saint Louis University - College for Public Health and Social Justice, Nigerian Institute of Medical Research - Clinical Sciences Department and Southern Medical University

Royal Free London NHS Foundation Trust - Department of Infectious Diseases, Nigerian Institute of Medical Research - Clinical Sciences Department, London School of Hygiene & Tropical Medicine - Faculty of Infectious and Tropical Diseases, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, Nigerian Institute of Medical Research - Clinical Sciences Department, University College London - Division of Infection and Immunity, University College London, School of Life and Medical Sciences, Faculty of Medical Sciences, Division of Medicine, UCL Respiratory, University College London - Institute for Global Health, Nigerian Institute of Medical Research - Clinical Sciences Department, University College London, School of Life and Medical Sciences, Faculty of Medical Sciences, Division of Medicine, UCL Respiratory, University College London, School of Life and Medical Sciences, Faculty of Medical Sciences, Division of Medicine, UCL Respiratory and Nigerian Institute of Medical Research - Clinical Sciences Department

Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University - Department of Pharmaceutical Sciences, Nnamdi Azikiwe University Teaching Hospital - HIV Care Laboratory/HIV Care Department, Nnamdi Azikiwe University - Paediatrics Department, Nnamdi Azikiwe University Teaching Hospital - Department of Nursing, Nnamdi Azikiwe University - Department of Mass Communication, Nnamdi Azikiwe University - Department of Statistics, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, Obafemi Awolowo University - Department of Obstetrics and Gynecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University Teaching Hospital - Department of Obstetrics and Gynecology, Obafemi Awolowo University - Department of Physiological Sciences, Obafemi Awolowo University Teaching Hospitals Complex - Department of Nursing, Nnamdi Azikiwe University - Department of Pharmaceutical Sciences, Nnamdi Azikiwe University - Department of Medical Laboratory Science, Nnamdi Azikiwe University - Department of Medical Laboratory Science, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri Teaching Hospital - Department of Obstetrics and Gynecology, University of Maiduguri, Borno State - Department of Parasitology & Entomology, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, University of Port Harcourt Teaching Hospital- Department of Obstetrics and Gynaecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, University Of Abuja Teaching Hospital - Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital - Department of Obstetrics and Gynecology, Nigerian Institute of Medical Research - Clinical Sciences Department, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology and Independent

Xi'an Jiaotong University (XJTU) - China-Australia Joint Research Center for Infectious Diseases, Nigerian Institute of Medical Research, University of North Carolina (UNC) at Chapel Hill - Department of Epidemiology, Southern Medical University, Saint Louis University, Nigerian Institute of Medical Research - Clinical Sciences Department, Wake Forest University - Department of Implementation Science, Saint Louis University - Department of Behavioral Sciences and Health Education, Nigerian Institute of Medical Research, Nigerian Institute of Medical Research, Alfred Health - Melbourne Sexual Health Centre and Alfred Health - Melbourne Sexual Health Centre

University of Lagos, Nnamdi Azikiwe University - Department of Obstetrics and Gynecology, Nnamdi Azikiwe University, Nnamdi Azikiwe University, Lead City University, Ancilla Eye foundation Hospital, Nnamdi Azikiwe University, Nigerian Institute of Medical Research - Clinical Sciences Department, Nnamdi Azikiwe University, Chukwuemeka Odumegwu Ojukwu University, Massey Street Children's Hospital, Chukwuemeka Odumegwu Ojukwu University, Obafemi Awolowo University, Obafemi Awolowo University, Nnamdi Azikiwe University, University of Nigeria, University of Nigeria and Johns Hopkins University