What are the mechanisms of action of cognitive–behavioral, mind–body, and exercise-based interventions for pain and disability in people with chronic primary musculoskeletal pain?: a systematic review of mediation studies from randomized controlled trials - Alaiti, Rafael Krasic; Castro, Júlia; Lee, Hopin; Caneiro, J. P; Vlaeyen, Johan W. S; Kamper, Steven J; Costa, Marcelo Fernandes da (The Clinical Journal of Pain, 2022)