Khowaja, Sanam
Ahmed, Salik
Kumar, Rajesh
Shah, Jehangir Ali
Khan, Kamran Ahmed
Khan, Naveed Ullah
Saghir, Tahir
Rizvi, Syed Nadeem Hasan
Qamar, Nadeem
Karim, Musa
Article History
Received: 7 May 2021
Accepted: 21 October 2021
First Online: 29 October 2021
Declarations
:
: This study was approval by the ethical review committee of the National Institute of Cardiovascular Diseases (NICVD), Karachi (ERC-33/2018). Verbal informed consent was obtained from all the patients regarding their participation in the study and publication of data while maintaining confidentiality and anonymity. Due to observational nature of the study, ERC waived the written consent and verbal consent were approved by the ERC.
: Not applicable.
: All authors have no competing interests to disclose.