1. Department of Electronics, Information and Bioengineering, Politecnico di Milan, Milan, Italy
2. Technische Universität Hamburg, Hamburg, Germany
3. University of Siena, Siena, Italy
4. Centro Cardiologico Monzino, IRCCS, Milan, Italy
5. Department of Biomechanical Engineering, Delft University of Technology, Delft, CD, The Netherlands