Conflicts of interest: Dr. Sun discloses that her husband was an employee of MGI Pharma, Inc., at the time this article was being written. Dr. Gralla discloses that he is a consultant for MGI Pharma, Inc., GlaxoSmithKline, Sanofi-aventis, and Merck; he also receives honoraria from MGI Pharma, Inc., and Merck and research support from Sanofi-aventis. Dr. Grunberg discloses that he is a consultant for MGI Pharma, Inc.
Correspondence to: Elenir B. C. Avritscher, MD, PhD, MBA/MHA, Section of Health Services Research, Department of Biostatistics and Applied Mathematics, The University of Texas M. D. Anderson Cancer Center, 1400 Pressler Street, Unit 1411, Houston, TX 77230; telephone: (713) 563-8920; fax: (713) 563-4243