Wearable System for Cardiac Diagnosis and Monitoring: Clustering Analysis and Usability Assessment Using Fractal Geometry. - José Sulla-Torres; Cusirramos Montesinos Roderick Nestor; Sandra Catalina Correa Herrera; Jairo Jattin Balcázar; Herwin Alayn Huillcen-Baca; Agueda Muñoz Del Carpio Toia (IEEE Access, 2025)