Leukemia, Lymphocytic, Chronic, B-Cell

• Dana Farber Cancer Center — Boston, Massachusetts, United States
• CLL Research and Treatment Program — New Hyde Park, New York, United States
• Weill Medical College of Cornell University — New York, United States
• University of Rochester — Rochester, New York, United States

Not specified

• Site Reference ID/Investigator# 74036 — La Jolla, California, United States
• Site Reference ID/Investigator# 74035 — Los Angeles, California, United States
• Site Reference ID/Investigator# 74038 — Pleasant Hill, California, United States
• Site Reference ID/Investigator# 74039 — Santa Maria, California, United States

• Holden Comprehensive Cancer Center at University of Iowa — Iowa City, Iowa, United States
• Mayo Clinic — Rochester, Minnesota, United States
• University of Virginia Cancer Center — Charlottesville, Virginia, United States

• Salzburg, Austria

• University of Texas MD Anderson Cancer Center — Houston, Texas, United States

• M D Anderson Cancer Center — Houston, Texas, United States

• University of Kentucky — Lexington, Kentucky, United States

• University of Chicago — Chicago, Illinois, United States
• Decatur Memorial Hospital — Decatur, Illinois, United States
• Evanston Hospital CCOP — Evanston, Illinois, United States
• Ingalls Memorial Hospital — Harvey, Illinois, United States

• Cancer and Leukemia Group B — Chicago, Illinois, United States
• Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center — Columbus, Ohio, United States