1. Department of Pathology; Academic Medical Center; Amsterdam the Netherlands
2. Department of Epidemiology and Biostatistics; VU Medical Center; Amsterdam the Netherlands
3. Department of Pathology; VU Medical Center; Amsterdam the Netherlands
4. Department of Hematology; Academic Medical Center; Amsterdam the Netherlands
5. Department of Pathology and Medical Biology; University of Groningen; University Medical Center Groningen; Groningen the Netherlands
6. Department of Hematology; VU Medical Center; Amsterdam the Netherlands