1 Center for Evidence-based Medicine and Health Outcomes Research, Department of Internal Medicine, Division of Evidence-based Medicine and Health Outcomes Research University of South Florida;
2 H. Lee Moffitt Cancer Center & Research Institute, Departments of Hematology and Health Outcomes and Behavior, Tampa, FL;
3 Indiana University Northwest, Department of Mathematics, Gary, IN;
4 College of Nursing, University of South Florida, Tampa, FL;
5 Division of Clinical Decision Making, Department of Medicine, Tufts Medical Center, Boston, MA