1. GRIAL Research Group. Department of Computers and Automatics. University of Salamanca., Spain
2. GRIAL Research Group- University of Salamanca, Spain
3. University of Salamanca, Spain
4. Cardiology Department- Hospital Universitario de Salamanca- SACyL. IBSAL- USAL- and CIBERCV (ISCiii), Spain
5. Philips Ibérica, Spain