Published on in Vol 15, No 7 (2013): July
1 School of Nursing, Vanderbilt University School of Medicine, Nashville, TN, United States
2 Department of Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, United States
3 Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, United States
4 School of Medicine, University of Alabama, Birmingham, AL, United States
5 Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, TN, United States