Mathew, Jerin, et al. “Protocol for a Pilot Randomized Sham-Controlled Clinical Trial Evaluating the Feasibility, Safety, and Acceptability of Infraslow Electroencephalography Neurofeedback Training on Experimental and Clinical Pain Outcomes in People With Chronic Painful Knee”. NeuroRegulation, vol. 7, no. 1, Mar. 2020, p. 30, doi:10.15540/nr.7.1.30.