1. Utah Cancer Registry, University of Utah School of Medicine, Salt Lake City, UT, USA
2. Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA
3. Cancer Control and Population Sciences Program, Huntsman Cancer Institute, University of Utah School of Medicine, Salt Lake City, UT, USA
4. Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT, USA
5. Department of Health and Kinesiology, University of Utah College of Health, Salt Lake City, UT, USA