[1] King Fahd Mil Med Complex, KFMMC Cardiac Ctr, Dhahran, Saudi Arabia
[2] Sabah Hosp, Cardiol Unit, Kuwait, Kuwait
[3] Armed Forces Hosp Southern Reg, Cardiac Ctr, Khamis Mushait, Saudi Arabia
[4] Al Amiri Hosp, Sabah Al Ahmed Cardiac Ctr, Kuwait, Kuwait
[5] North West Armed Forces King Salman Hosp, Adult Cardiol Dept, Cardiac Ctr, Tabuk, Saudi Arabia
[6] Amiri Hosp, Sabah Al Ahmad Cardiac Ctr, Kuwait, Kuwait
[7] Saud Al babtain Cardiac Ctr, Dammam, Saudi Arabia
[8] Prince Sultan Cardiac Ctr, Cardiovasc Prevent Unit, Riyadh, Saudi Arabia
[9] Jeddah Univ, King Abdulaziz Univ, Clin Biochem, Jeddah, Saudi Arabia
[10] Amgen Middle East, Med Affair Dept, Dubai, U Arab Emirates
[11] Amgen Saudi, Med Dept, Riyadh, Saudi Arabia