1. Department of Internal Medicine Amsterdam UMC, location AMC Amsterdam The Netherlands
2. Department of Internal Medicine Zaans Medisch Centrum Zaandam The Netherlands
3. Department of Internal Medicine/Oncology Meander Medical Center Amersfoort The Netherlands
4. Department of Internal/Vascular Medicine Amsterdam UMC, location AMC Amsterdam The Netherlands
5. Department of Internal Medicine/Infectious Diseases Rijnstate Hospital Arnhem The Netherlands
6. Department of Internal Medicine/Infectious Diseases Medical Center Jan van Goyen Amsterdam The Netherlands