1 Department of Prevention and Community Health, School of Public Health, University of North Health Texas Health Science Center, Fort Worth, TX 76107, USA; IVAN Research Institute, Enugu, Nigeria. Electronic address: babayemi.olakunde@unthsc.edu.
2 Department of Research, Saskatchewan Health Authority, Saskatoon, SK, Canada; National AIDS and STI Control Programme, Department of Public Health, Federal Ministry of Health, Abuja, Nigeria.