1. Biostatistics and Research Decision Sciences, Merck Research Laboratories, Upper Gwynedd, PA, USA
2. Development Design Center, Amgen Inc., Thousand Oaks, CA, USA
3. American Association for Cancer Research, Office of Science Policy and Government Affairs, Washington, DC, USA
4. Departments of Oncology and of Biostatistics, Bioinformatics, and Biomathematics, Lombardi Comprehensive Cancer Center and Innovation Center for Biomedical Informatics, Georgetown University Medical Center, Washington, DC, USA