Spargias KS, Anifantakis A, Papadakis M, Iakovis P, Hatzigeorgiou GC, Koutsogiannis N, Karatasakis G, Athanassopoulos G, Manginas A, Maounis T, et al. Cardiology Department A, Onassis Heart Center, Athens, Greece. Italian Heart Journal. 2003;4:45–49.