1. The Division of Health Services Research and Development, The Durham Veterans Affairs Hospital, Division of Hematology/Oncology, The Center for Health Policy Research, and Education, Duke University, Durham, North Carolina
2. The Department of Accounting, The University of Nebraska, Omaha, Nebraska
3. The Department of Hematology, Hospital Saint Antoine, Paris, France
4. Cornell Medical Center, Memorial Sloan‐Kettering Cancer Center, New York, New York
5. The Department of Medicine, The University of Nebraska, Omaha, Nebraska