Received: 26 May 2020
Accepted: 6 May 2021
First Online: 17 May 2021
: The submitted article is an original article and has not been published before. The study was presented in part in ESC 2014, Barcelona, Spain (P 4520, from 30/08/2014 to 3/09/2014).
: Patients were included after the written consent was signed by the patients. The study was approved by the Ethics Committee of Faculty of Medicine, Assiut University with approval number IRB 00008718, registered by the Office for Human Research Protection.
: Not applicable.
: The authors declare that they have no competing interests.