1. Laboratoire de Mécanique et d'Acoustique, Aix-Marseille Université, CNRS UPR 7051, Centrale Marseille, 4 impasse Nikola TESLA, CS 40006, 13453 Marseille cedex 13, France
2. Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Centre, 900 Saint Denis, Suite R11.720, Montreal, Quebec, H2X 0A9, Canada