The Added Value of Face-to-Face Supervision to a Therapeutic Exercise-Based App in the Management of Patients with Chronic Low Back Pain: A Randomized Clinical Trial. - Jose Javier López-Marcos; María José Díaz-Arribas; Juan Antonio Valera-Calero; Marcos José Navarro-Santana; Juan Izquierdo-García; Rosa María Ortiz-Gutiérrez; Gustavo Plaza-Manzano (Sensors, 2024)