The burden of atrial fibrillation/flutter in the Middle East and North Africa region and its associated risk factors from 1990 to 2019 oleh Mohammad Yaghoubi, Parvaneh Hamian Roumiani, Fateme Nozari, Saba Simiyari, Alireza Azarboo, Mahgol Sadat Hassan Zadeh Tabatabaei, Mohamad Mehdi Khadembashiri, Mohammad Amin Khadembashiri