About the Authors

Jane N. Mutanga

Affiliation Livingstone General Hospital, Livingstone, Zambia

Juliette Raymond

Affiliation Albuquerque, New Mexico, United States of America

Megan S. Towle

Affiliation Mumbai, India

Simon Mutembo

Affiliation Southern Provincial Medical Office, Livingstone, Zambia

Robert Captain Fubisha

Affiliation Department of Paediatrics and Child Health, Livingstone Paediatric Centre of Excellence, Livingstone, Zambia

Frank Lule

Affiliation World Health Organization Regional Office for Africa, Brazzaville, Congo

Lulu Muhe

muhel@who.int

Affiliation World Health Organization Headquarters, Geneva, Switzerland

Competing Interests

FL and LM work, respectively, for the World Health Organization African Regional Office and World Health Organization (WHO) Headquarters, Geneva. The content is solely the responsibility of the authors, and does not necessarily represent the official views or policies of the WHO. All other authors declare no competing interests. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JM JR SM FL LM. Performed the experiments: JM JR SM. Analyzed the data: JM JR MT SM RCF FL LM. Wrote the paper: JM JR MT SM.