1. Department of Pulmonary Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands
3. Department of Radiology, Nuclear Medicine and Anatomy, Radboud University Medical Center, Nijmegen, The Netherlands
4. Department of Geriatric Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
5. Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
6. Department of Primary Care Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
7. Department of Intensive Care, Radboud University Medical Center, Nijmegen, The Netherlands