University of Antwerp - Department of Public Health, University of Antwerp - Department of Public Health, University of Antwerp - Department of Public Health, University of Antwerp - Department of Clinical Sciences, University College London - Institute for Global Health, UNAIDS, European Centre for Disease Prevention and Control (ECDC) - Air-Borne, Blood-Borne and Sexually Transmitted Infections, European Centre for Disease Prevention and Control (ECDC) - Air-Borne, Blood-Borne and Sexually Transmitted Infections, PICUM, Independent Consultant, International Organization for Migration (IOM) - Migration Health Division, WHO Regional Office for Europe - Migration and Health Programme Office, WHO Regional Office for Europe - TB, HIV & Viral Hepatitis Program, University of Cape Town (UCT) - Graduate School of Business, University of Antwerp - Department of Clinical Sciences and UNAIDS