Al Amiri Hospital - Department of Cardiology, Al Amiri Hospital - Sabah Al Ahmed Cardiac Centre, Al Amiri Hospital - Sabah Al Ahmed Cardiac Centre, University of Strathclyde, University of Strathclyde, Peoples' Friendship University of Russia (RUDN), Suez Canal University, Illinois Masonic Medical Center, Sultan Qaboos University, G. B. Pant University of Agriculture and Technology and Infectious Diseases Hospital