Synthetic Data Generation for Physical Activity in Wearable Devices: A Multivariate Time Series Approach. - Rodrigo Martín Gómez Del Moral Herranz; Adrián Barba Beltrán; Miguel Rujas; Beatriz Merino-Barbancho; María Teresa Arredondo; María Fernanda Cabrera-Umpiérrez; Giuseppe Fico (CBMS, 2025)