1. From the Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital and the Department for Biomedical Research, University of Bern, Bern, Switzerland (J.A.K.H.); and the Department of Biostatistics and Epidemiology, Hudson College of Public Health, Department of Medicine, College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City (J.N.G.).