1. University Medical Center Mainz, Johannes Gutenberg University, Institute for Clinical Chemistry and Laboratory Medicine, Mainz, Germany
2. University Medical Center Mainz, Johannes Gutenberg University, Center for Thrombosis and Hemostasis, Mainz, Germany
3. University Hospital Zurich, Department of Angiology, Zurich, Switzerland
4. University Hospital Zurich, Department of Medical Oncology and Hematology, Zurich, Switzerland
5. University of Nigeria, Department of Medical Laboratory Science, Nsukka, Nigeria
6. Inselspital, Bern University Hospital, University of Bern, Department of Hematology and Central Hematology Laboratory, Bern, Switzerland