aRehabilitation Institute of Chicago, Chicago, IL, USA
bVanderbilt University School of Medicine, Nashville, TN, USA
cVU University Medical Center, Amsterdam, The Netherlands
dTrauma Related Neuronal Dysfunction Consortium (TREND), Leiden University Medical Center, Leiden, The Netherlands
eUniversity Medical Center Mainz, Mainz, Germany
fLeiden University Medical Center, Leiden, The Netherlands
gUniversity of Erlangen-Nuremberg, Erlangen, Germany
hRush University Medical Center, Chicago, IL, USA
iStanford University Medical Center, Stanford, CA, USA
jReuth Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
*Corresponding author. Address: Center for Pain Studies, Rehabilitation Institute of Chicago, 446 E. Ontario, Suite 1011, Chicago, IL 60611, USA. Tel.: +1 312 238 7878; fax: +1 312 238 7624.
E-mail addresses:[email protected], [email protected]
Submitted November 18, 2009; revised March 19, 2010; accepted April 20, 2010.