Published on in Vol 2 , No 2 (2013) :Jul-Dec
1 VA eHealth Quality Enhancement Research Initiative, Bedford VAMC, Bedford, MA, United States
2 Division of Health Informatics & Implementation Science, Quantitative Health Sciences, The University of Massachusetts Medical School, Worcester, MA, United States
3 Department of Epidemiology, Unviersity of Michigan, Ann Arbor, MI, United States
4 Division of Biostatistics & Health Services Research, Quantitative Health Sciences, The University of Massachusetts Medical School, Worcester, MA, United States
*all authors contributed equally