1. Department of Internal and Infectious Diseases; Rijnstate Hospital; Arnhem the Netherlands
2. Department of Internal Medicine, Section Infectious Diseases; University of Groningen, University Medical Centre Groningen; Groningen the Netherlands
3. Department of Internal Medicine; Department of Global Health; Academic Medical Center; Amsterdam the Netherlands
4. Department of Medical Psychology; Academic Medical Center; Amsterdam the Netherlands
5. Teaching Hospital of Charleroi; Brussels Belgium