1. Department of Cardiology; Haaglanden Medical Center; The Hague the Netherlands
2. Department of Cardiology; Isala Heart Center; Zwolle the Netherlands
3. Department of Cardiology; VU University Medical Center; Amsterdam the Netherlands
4. Department of Plastic, Reconstructive and Hand Surgery; VU University Medical Center Amsterdam; Amsterdam the Netherlands
5. Department of Epidemiology and Biostatistics; VU University; Amsterdam the Netherlands
6. Department of Cardiology; Radboud University Medical Center; Nijmegen the Netherlands