1. IBiTech-bioMMeda, Ghent University; Ghent Belgium
2. Universidad Tecnológica de La Habana José Antonio Echeverría (Cujae); Biomechanics and Biomaterials Research Group; Havana Cuba
3. Sunshine Heart Inc.; Eden Prairie MN USA
4. Laboratory of Hemodynamics and Cardiovascular Technology (LHTC); Ecole Polytechnique Fédérale de Lausanne; Lausanne Switzerland