Acupuncture for Chronic Pain: Update of an Individual Patient Data Meta-Analysis

Memorial Sloan Kettering Cancer Center, University of Southampton, University of York, University Hospitals of North Midlands NHS Trust, Keele University, Kaiser Permanente Washington Health Research Institute, Ludwig-Maximilians-Universität München, University of Maryland, Baltimore, University of Zurich, University Hospital of Zurich, Charité - Universitätsmedizin Berlin