1. Nursing officer, Ministry of Health and Social Welfare, the Gambia
2. Adjunct professor, Department of Midwifery and Women's Health Care, National Taipei University of Nursing and Health Sciences, Taiwan
3. Assistant professor, Department of Midwifery and Women's Health Care, National Taipei University of Nursing and Health Sciences, Taiwan
4. Statistician, Department of Speech Language Pathology and Audiology, National Taipei University of Nursing and Health Sciences, Taiwan