About the Authors

Dieter Vanderelst

dieter.vanderelst@ua.ac.be

Affiliation Faculty of Applied Economics, University of Antwerp, Antwerp, Belgium

Niko Speybroeck

Affiliations Institute of Tropical Medicine, Antwerp, Belgium, Institut de recherche santé et société, Université Catholique de Louvain, Brussels, Belgium

Competing Interests

The authors have declared that no competing interests exist.