1. Pharmaceutical Care Division, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
2. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
3. Critical Care Medicine, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
4. King Faisal Oncology Center, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia