1 Engineering & Applied Sciences Department, RAND, Arlington, Virginia, United States.
2 Fred Hutchinson Cancer Research Center, Hutchinson Institute for Cancer Outcomes Research & Biostatistics Program, Public Health Sciences Division, Seattle, Washington, United States.
3 Department of Public Health, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.
4 Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, United States.
5 Argonne National Laboratory, Lemont, Illinois, United States.
6 Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, United States.