Affiliations:
1 Medical Student, Holy Family Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan
2 Medical Student, Fauji Foundation Hospital, Foundation University Medical College, Islamabad, Pakistan
3 Nursing Department, Hamad Medical Corporation, Doha, Qatar.
4 Assistant Professor, Department of Cardiology, Benazir Bhutto Hospital, Rawalpindi Medical University, Rawalpindi, Pakistan