TDCS for parkinson's disease disease-related pain: A randomized trial - González-Zamorano, Y; Sánchez-Cuesta, FJ; Moreno-Verdú, M; Arroyo-Ferrer, A; Fernández-Carnero, J; Chaudhuri, KR; Fieldwalker, A; Romero, JP (Clinical Neurophysiology, 2024)