The TRACE registry (Trans-Radial Approach in Central and northErn Greece) oleh Antonios Ziakas, Sotirios Katranas, Georgios Bobotis, Aggeliki-Despoina Mavrogianni, Christos Graidis, Nikolaos Mezilis, Αntonios Arampatzis, Dimitrios Nikas, Fotios Economou, Ilias Athanasiadis, Dimitrios Stakos, Vasilios Dimopoulos, Eugenia Pappa, Antonios Κouparanis, Dimitrios Petroglou, Haralampos Karvounis