1. Department of Demography and Social Statistics, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
2. Department of Sociology and Criminology & Law, University of Florida, Gainesville, USA
3. Department of Demography and Social Statistics, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria
4. Viable Knowledge Masters, Abuja, Nigeria
5. Viable Helpers Development Organization, Abuja, Nigeria
6. Independent Researcher Asaba, Delta State, Nigeria