Development of a biofeedback system using harmonic musical intervals to control heart rate variability with a generative adversarial network. - Ennio Idrobo-Ávila; Humberto Loaiza Correa; Flavio Muñoz-Bolaños; Leon van Noorden; Rubiel Vargas-Cañas (Biomed. Signal Process. Control., 2022)