From the Internal Medicine Section
and Nephrology Unit, Bikur Cholim Hospital, Jerusalem; Lymphoma-Leukemia Unit, Department of Hematology, and Hematopathology Unit, Hadassah University Hospital, Ein Karem, Jerusalem; Electron Microscopy Unit, Hadassah University Hospital, Mount Scopus, Jerusalem; and Pathology Department, Sheba Medical Center, Tel Hashomer, Sackler Faculty of Medicine, Tel Aviv, Israel.