Article Information
vol. 64 no. 7 1166-1171
PubMed
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History
- Accepted July 8, 2016
- Published online September 23, 2016.
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- Previous version (August 3, 2016 - 09:16).
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Copyright © 2016 American Federation for Medical Research This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Author Information
- 1Clinical Epidemiology Research Center, Cooperative Studies Program, Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut, USA
- 2Department of Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
- 3Department of Statistics, Yale University, New Haven, Connecticut, USA
- Correspondence to Dr John Concato, Clinical Epidemiology Research Center (151B), VA Connecticut Healthcare System, 950 Campbell Ave, 151B, West Haven, CT 06516, USA; john.concato{at}va.gov; john.concato{at}yale.edu