Author Contributions: Dr Koreth had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Koreth, Cutler.
Acquisition of data: Koreth, Schlenk, Kopecky, Honda, Sierra, Sakamaki, Döhner.
Analysis and interpretation of data: Koreth, Schlenk, Kopecky, Sierra, Djulbegovic, Wadleigh, DeAngelo, Stone, Appelbaum, Döhner, Antin, Soiffer, Cutler.
Drafting of the manuscript: Koreth, Honda, Djulbegovic, Wadleigh, Sakamaki, Antin, Soiffer, Cutler.
Critical revision of the manuscript for important intellectual content: Koreth, Schlenk, Kopecky, Sierra, Djulbegovic, Wadleigh, DeAngelo, Stone, Appelbaum, Döhner, Antin, Soiffer, Cutler.
Statistical analysis: Koreth, Schlenk, Kopecky, Honda, Sierra, Djulbegovic, Cutler.
Administrative, technical, or material support: Schlenk, DeAngelo, Stone, Döhner.
Study supervision: Sierra, Antin, Soiffer, Cutler.
Financial Disclosures: Dr Sakamaki reported serving as a member of the advisory boards of Bristol-Myers Squibb Co and Wyeth Inc. Dr Cutler reported receiving partial funding from the Stem Cell Cyclists of the Pan-Massachusetts Challenge. No other authors reported financial disclosures.
Additional Contributions: We thank the authors of the clinical trials analyzed. In particular we thank Didier Blaise, MD (Départment d’Hématologie, Institut Paoli Calmettes, Centre de Recherche en Cancérologie de Marseille, Université de la Méditerranée, Marseilles, France), and Benjamin Esterni, PhD (Institut Paoli Calmettes, Bureau d’Etudes Cliniques, Marseille), for their feedback. Drs Blaise and Esterni received no compensation for their contributions.