Effects of a level-based immersive virtual reality physical therapy program on static and dynamic balance in Parkinson's disease: Protocol for a randomized controlled trial. - Morcillo-Martínez, Lorena; Sanz-Mármol, María; Romanos-Navarrete, Adriana Isabel; Calvo, Sandra; Le Roux-Ethève, Lilian; Esteban-Repiso, Laura; Córdova-Alegre, Paula; Jiménez-Sánchez, Carolina; Garay-Sánchez, Aitor; la Cruz, Natalia Brandín-de (PLoS ONE, 2026)