aCenter for Pain Research and Innovation, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
Departments of bBiostatistics and
cEndodontics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
dDepartment of Biostatistics, Harvard University, Boston, MA, USA
Departments of eDental Ecology and
fEpidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
gDepartment of Oral Diagnostic Sciences, University at Buffalo, Buffalo, NY, USA
hPain Research and Intervention Center of Excellence, University of Florida, Gainesville, FL, USA
iDepartment of Neural and Pain Sciences and Brotman Facial Pain Clinic, University of Maryland School of Dentistry, Baltimore, MD, USA
jThe Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada
Corresponding author. Address: School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7450, USA. Tel.: 919 537 3276; fax: 919 966 5339. E-mail address: [email protected] (E. Bair).
Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.
Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.painjournalonline.com).
Received September 07, 2015
Received in revised form January 24, 2016
Accepted February 03, 2016
