Recurrent events among Acute Coronary Syndrome patients: gender-specific analysis from Aegean-Islands study Matina Kouvari, Demosthenes B Panagiotakos, NG Patsourakos, A Kotidis, S Chantanis, K Kalantzi, M Tsoumani, A Kartalis, N Smyrnioudis, S Fousas, AD Tselepis