1. Papageorgiou General Hospital; Thessaloniki Greece
2. University Hospital of Geneva; Geneva Switzerland
3. University of Alabama at Birmingham; 1530 3rd Ave South, CH-19, Ste-219 Birmingham AL 35294-2041 USA
4. Montreal Heart Institute; Montreal Quebec Canada
5. Case Western Reserve University; Cleveland OH USA
6. University of California San Francisco; Fresno CA USA
7. Charite Medical School and Campus Virchow-Klinikum; Berlin Germany
8. Centre for Clinical and Basic Research, IRCCS San Raffaele; Rome Italy
9. VA Medical Center; Birmingham AL USA