1. Department of Community Health; University of Calabar Teaching Hospital; Calabar Nigeria
2. Department of Medical Laboratory Science; Achievers University; Owo Nigeria
3. Cochrane Nigeria, Institute of Tropical Diseases Research and Prevention, University of Calabar Teaching Hospital; Calabar Nigeria
4. Internal Medicine; College of Medical Sciences, University of Calabar; Calabar Nigeria
5. Department of Public Health; College of Medical Sciences, University of Calabar; Calabar Nigeria
6. Biostatistics Unit; South African Medical Research Council; Durban South Africa
7. GIDP Entomology and Insect Science; University of Tucson; Tucson Arizona USA
8. Excellence & Friends Management Consult (EFMC); Abuja Nigeria
9. Cochrane South Africa; South African Medical Research Council; Cape Town South Africa
10. Vaccine-Preventable Diseases Programme; World Health Organization Regional Office for Africa; Cité du Djoué, Brazzaville Congo
11. Department of Paediatrics; University of Calabar Teaching Hospital; Calabar Nigeria