The “obesity paradox” in patients with atrial fibrillation: Insights from the Gulf SAFE registry oleh Yan-Guang Li, Peng-Xin Xie, Alawi A. Alsheikh-Ali, Wael AlMahmeed, Kadhim Sulaiman, Nidal Asaad, Shu-Wang Liu, Mohammad Zubaid, Gregory Y. H. Lip, Gregory Y. H. Lip