aDepartment of Anesthesiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
bDepartment of Spinal Surgery, Schön Klink Hamburg Eilbek, Hamburg, Germany
cDepartment of Orthopedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
dDepartment of Clinical and Cognitive Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
eDepartment of Psychology, University of Mannheim, Mannheim, Germany
*Corresponding author. Address: Department of Anesthesiology, Pain Therapy and Pain Psychology, Center for Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246 Hamburg, Germany. E-mail address: [email protected]. Tel.: +49 40 7410 52837; fax: +49 40 7410 44963 (R. Klinger).
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