1. Cardiovascular Research Programme King Faisal Specialist Hospital and Research Centre Riyadh Kingdom of Saudi Arabia
2. College of Medicine and Health Sciences Al‐Faisal University Riyadh Kingdom of Saudi Arabia
3. Department of Biology San Diego State University San Diego CA USA
4. Pathology Department King Faisal Specialist Hospital and Research Centre Riyadh Kingdom of Saudi Arabia
5. Heart Centre, King Faisal Specialist Hospital and Research Centre Riyadh Kingdom of Saudi Arabia
6. Comparative Medicine Department King Faisal Specialist Hospital and Research Centre Riyadh Kingdom of Saudi Arabia
7. Department of Pharmacology University of California Davis CA USA
8. King Saud University Riyadh Kingdom of Saudi Arabia