About the Authors

Piero L. Olliaro, Olivier Lapujade
UNICEF/UNDP/World Bank/WHO Special Programme on Research and Training in Tropical Diseases (TDR), World Health Organization, Geneva, Switzerland

Michel T. Vaillant
Methodology and Statistical Unit, Center for Health Studies, Centre de Recherche – Santé, Strassen, Luxembourg

Vincente J. Belizario
National Institutes of Health, University of the Philippines Manila, Manila, Philippines

Nicholas J. S. Lwambo, Godfrey M. Kaatano
National Institute for Medical Research, Mwanza Medical Research Centre, Mwanza, Tanzania

Mohamed Ouldabdallahi
Nutrition et Actes Médicaux, Institut National de Recherches en Santé Publique (INRSP), Nouakchott, Mauritania

Otavio S. Pieri, Tereza C. Favre
Laboratorio de Eco-Epidemiologia e Controle da Esquistossomose e Geohelmintoses, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil

Maria L. Amarillo
Department of Clinical Epidemiology, College of Medicine, University of the Philippines, Manila, Philippines

Mamadou Diaw
Ministère de la Santé/P.E.V., Nouakchott, Mauritania

AnaLucia C. Domingues
Departamento de Medicina Clinica, Centro de Ciencias da Saude, UFPE, Hospital das Clinicas, Recife, Brazil

Fabiana Alves
Latin America Regional Office, Drugs for Neglected Diseases Initiative, Rio de Janeiro, Brazil

Lester Chitsulo
Preventive Chemotherapy and Transmission Control Unit, Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland

Corresponding Author

michel.vaillant@crp-sante.lu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LC PLO FA OL. Performed the experiments: VJB NJSL MO OSP. Analyzed the data: MTV PLO. Wrote the paper: PLO MTV. Principal investigators: VJB NJSL MO OSP. Protocol preparation, supervision of clinical and parasitological conduct, contribution to interpretation of results: ALCD TCF. Participation in finalization of master protocol (GCP) and GCP training of sites: OL. Preparation of master study protocol and sites preparation: FA. Initiation and coordination of the study, contribution to the preparation of the manuscipt: LC. Analytical protocol, report: MTV. Coordination and supervision of study conduct, analytical protocol, report: PLO.