1 Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven B-3000, Belgium. Electronic address: ben.nemery@kuleuven.be.
2 Expertise Centre on Mining Governance and Centre for Tropical Diseases and Global Health, Catholic University of Bukavu, Bukavu, Democratic Republic of the Congo.
3 Leuven International and European Studies, KU Leuven, Leuven B-3000, Belgium.