1. Department of Electronic Engineering, Rovira i Virgili University, Tarragona 43007, Spain
2. Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Madrid, 28029, Spain
3. Group of Biomedical Research in Heart Diseases, IMIM (Hospital del Mar Medical Research Institute), Barcelona 08003, Spain
4. Institut d’Investigacio Sanitària Pere Virgili, Tarragona 43204, Spain