About the Authors

Melba F. Gomes

gomesm@who.int

Affiliation Special Programme on Research and Training in Tropical Diseases (TDR), a co-sponsored Programme of UNICEF/UNDP/World Bank/WHO, based at the World Health Organization, Geneva, Switzerland

Annette C. Kuesel

Affiliation Special Programme on Research and Training in Tropical Diseases (TDR), a co-sponsored Programme of UNICEF/UNDP/World Bank/WHO, based at the World Health Organization, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interests exist.