1 Department of Medicine, Epidemiology, and Population Sciences, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX, USA. wilson.dacostajunior@bcm.edu.
2 Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston, TX, USA.
3 Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA.
4 Section of Health Services Research, Department of Medicine, Baylor College of Medicine, Houston, TX, USA.