1. Janssen Research & Development, LLC, Johnson & Johnson, Titusville, NJ, USA
2. Aga Khan University School of Nursing and Midwifery, Nairobi, Kenya
3. Aga Khan University School of Nursing and Midwifery, Kampala, Uganda
4. Aga Khan University School of Nursing and Midwifery, Dar es Salaam, Tanzania