About the Authors

Evelyn Korkor Ansah

To whom correspondence should be addressed. E-mail: ansahekdr@yahoo.co.uk

Affiliations London School of Hygiene & Tropical Medicine, London, United Kingdom , Dangme West District Health Directorate, Dodowa, Ghana

Solomon Narh-Bana

Affiliation Dangme West District Health Directorate, Dodowa, Ghana

Sabina Asiamah

Affiliation Dangme West District Health Directorate, Dodowa, Ghana

Vivian Dzordzordzi

Affiliation Dangme West District Health Directorate, Dodowa, Ghana

Kingsley Biantey

Affiliation Dangme West District Health Directorate, Dodowa, Ghana

Kakra Dickson

Affiliation Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana

John Owusu Gyapong

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingdom

Kwadwo Ansah Koram

Affiliation Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana

Brian M Greenwood

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingdom

Anne Mills

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingdom

Christopher J. M Whitty

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

EKA and CJMW designed the study with input from JOG, KAK, BMG, and AM. EKA, SN-B, SA, VD, KB, KD, and JOG performed the study with input from CJMW. EKA and CJMW analyzed the data. EKA, CJMW, KAK, JG, BMG, and AM interpreted the data. EKA, SN-B, SA, VD, KB, KD, JOG, KAK, BMG, AM, and CJMW contributed to the manuscript. EKA is the guarantor.