Prognostic Factors for Physical Functioning After Multidisciplinary Rehabilitation in Patients With Chronic Musculoskeletal Pain: A Systematic Review and Meta-Analysis.

"Supported by the The Swedish Research Council, Stockholm, Sweden; The Doctoral School in Health Care Sciences, Karolinska Institutet, Stockholm, Sweden; The AFA-Insurance, Stockholm, Sweden; The Research-ALF, County Council of Östergötland, Linköping, Sweden; The Swedish Research Council for Health, Working Life and Welfare (FORTE), Stockholm, Sweden. The authors declare no conflict of interest."

"The authors would like to thank the Swedish Research Council, the Doctoral School in Health Care Sciences, Karolinska Institutet, Sweden, AFA-Insurance Sweden and Research-ALF, County Council of Östergötland, Linköping and the Swedish Research Council for Health, Working Life and Welfare (FORTE) for financial support. None of the funders have had any influence in the systematic review. The authors would also like to thank the Karolinska Institutet University Library for valuable support in developing and reviewing the electronic searches. The authors would also like to thank the research network within The Swedish Quality Registry for Pain Rehabilitation, in particular the Predictor group, for valuable contributions during the review process. No funding has been received for this work from any of the following organizations: National Institutes of Health (NIH); Wellcome Trust; Howard Hughes Medical Institute (HHMI). Supported by the The Swedish Research Council, Stockholm, Sweden; The Doctoral School in Health Care Sciences, Karolinska Institutet, Stockholm, Sweden; The AFA-Insurance, Stockholm, Sweden; The Research-ALF, County Council of Östergötland, Linköping, Sweden; The Swedish Research Council for Health, Working Life and Welfare (FORTE), Stockholm, Sweden. The authors declare no conflict of interest."

"This systematic review used a random effects meta-analysis of published original research reports with a longitudinal follow-up of early prognostic factors preceding MDR. The review was conducted by an interdisciplinary research team. It conforms to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement, with particulars of the Meta-analysis Of Observational Studies in Epidemiology (MOOSE) guidelines in consideration. A protocol with the defined objectives, eligibility criteria, and planned methods of the complete review project was registered in the International Prospective Register of Systematic Reviews (PROSPERO, id:CRD42016025339) at an early stage of the study, and a study protocol reporting the review process was published ahead of the study."