Riddle, D. L., Keefe, F. J., Ang, D. C., Slover, J., Jensen, M. P., Bair, M. J., Kroenke, K., Perera, R. A., Reed, S. D., McKee, D., Dumenci, L. Pain Coping Skills Training for Patients Who Catastrophize About Pain Prior to Knee Arthroplasty: A Multisite Randomized Clinical Trial. J Bone Joint Surg Am 2019; 3: 218-227