1 University Clinic of Hematology and Central Hematology Laboratory, Inselspital University Hospital and University of Bern, Inselspital, CH-3010 Bern, Switzerland; Division of Haematology and Central Haematology Laboratory, Luzerner Kantonsspital, Lucerne, CH-6000, Switzerland. Electronic address: michael.nagler@insel.ch.
2 University Clinic of Hematology and Central Hematology Laboratory, Inselspital University Hospital and University of Bern, Inselspital, CH-3010 Bern, Switzerland; Department of Clinical Research, University of Bern, CH-3010 Bern, Switzerland.