1. Cardiology Department, Hospital Universitari Doctor Josep Trueta, CIBER-CV, Girona (S.M.).
2. Radiology Department (H.C., G.B.)
3. Radiology Department, Centre d´Atenció Primaria Pare Claret, Institut Català de la Salut, Barcelona (E.B.).
4. Cardiology Department (A.E.), Hospital Universitari Vall d´Hebron, Barcelona.