About the Authors

Yeya Tiemoko Touré

ytoure76@gmail.com

Affiliation Retired from TDR as of 30 June, 2014; Faculté de Médecine et d′Odonto-stomatologie (FMOS), Bamako, Mali

Bernadette Ramirez

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

Johannes Sommerfeld

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.