1. Department of Clinical Epidemiology and Medical Technology Assessment (KEMTA), Maastricht University Medical Centre, Maastricht, The Netherlands;
2. Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands;
3. School of Oncology and Developmental Biology (GROW), Maastricht University, Maastricht, The Netherlands;
4. Division Medical Oncology, Maastricht University Medical Centre, Maastricht, The Netherlands;
5. Department of Internal Medicine, Zuyderland Medical Centre, Sittard-Geleen, The Netherlands;
6. Department of Internal Medicine, Catharina Hospital, Eindhoven, The Netherlands;
7. Department of Internal Medicine, Laurentius Hospital, Roermond, The Netherlands;
8. Department of Internal Medicine, VieCuri Medical Center, Venlo, The Netherlands;
9. Department of Internal Medicine, Máxima Medical Centre, Veldhoven/Eindhoven, The Netherlands;
10. Department of Internal Medicine, Jeroen Bosch Hospital, Hertogenbosch, The Netherlands;
11. Department of Internal Medicine, Sint Jans Gasthuis, Weert, The Netherlands;
12. Department of Internal Medicine, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands;
13. Department of Internal Medicine, Elkerliek Hospital, Helmond, The Netherlands