About the Authors

Obinna Onwujekwe

Affiliations Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria, Department of Health Administration and Management, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria

Nkoli Uguru

Affiliations Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria, Department of Preventive Dentistry, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria

Enyi Etiaba

enyietiaba@yahoo.co.uk

Affiliations Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria, Department of Health Administration and Management, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria

Ifeanyi Chikezie

Affiliation Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria

Benjamin Uzochukwu

Affiliations Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria, Department of Health Administration and Management, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria, Department of Community Medicine, College of Medicine, University of Nigeria Enugu-Campus, Enugu, Nigeria

Alex Adjagba

Affiliation SIVAC (Supporting National Independent Immunization and Vaccine Advisory Committees) Initiative, Agence de Medecine Preventive (AMP), Paris, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OO NU BU. Performed the experiments: NU IC. Analyzed the data: OO NU EE IC. Contributed reagents/materials/analysis tools: OO AA BU. Wrote the paper: OO NU EE IC. Revised manuscript: OO EE NU IC BU AA.