Psychosocial Mechanisms of Cognitive-Behavioral-Based Physical Therapy Outcomes After Spine Surgery: Preliminary Findings From Mediation Analyses. - Coronado RA; Ehde DM; Pennings JS; Vanston SW; Koyama T; Phillips SE; Mathis SL; McGirt MJ; Spengler DM; Aaronson OS; Cheng JS; Devin CJ; et al. (Physical therapy, 2020)