1. Department of Arrhythmology IRCCS San Raffaele Hospital Milan Italy
2. Electrophysiology Laboratories Hopital Haut Leveque Pessac France
3. LIRYC institute Pessac France
4. MOX, Department of Mathematics Politecnico di Milano Milan Italy
5. Royal Papworth Hospital Cambridge UK
6. Professor Emeritus Institute of Mathematics, École Polytechnique Fédérale de Lausanne Lausanne Switzerland