[1] Hedi Chaker Univ Hosp, Sfax, Tunisia
[2] Abderrahmen Mami Hosp, Ariana, Tunisia
[3] La Rabta Hosp, Tunis, Tunisia
[4] Hop Charles Nicolle, Cardiol Dept, Tunis, Tunisia
[5] Sahloul Univ Hosp, Cardiol Dept, Sousse, Tunisia
[6] Habib Thameur Hosp, Cardiol Dept, Tunis, Tunisia