Rafferty, H., Rocha, E., Gonzalez-Mego, P., Ramos, C., M El-Hagrassy, M., Gunduz, M.E., Uygur-Kucukseymen, E., Zehry, H., Chaudhari, S., Teixeira, P.E., Rosa, G.R., Zaninotto, A.L., Connor, C., Eden, U., Ramos-Estebanez, C., Fregni, F., Dipietro, L. and Wagner, T. 2022. Cost-Effectiveness Analysis to Inform Randomized Controlled Trial Design in Chronic Pain Research: Methods for Guiding Decisions on the Addition of a Run-In Period. Principles and Practice of Clinical Research. 8, 2 (Aug. 2022), 31–42. DOI:https://doi.org/10.21801/ppcrj.2022.82.5.