1. Department of Basic Health Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
2. Department of Pediatrics, King Abdullah bin Abdulaziz University Hospital, Riyadh 11564, Saudi Arabia
3. Respiratory Care Department, College of Applied Sciences, Almaarefa University, Dariyah, Riyadh 13713, Saudi Arabia
4. Department of Internal Medicine, King Abdullah bin Abdulaziz University Hospital, Riyadh 11564, Saudi Arabia
5. Department of Preparatory Health Sciences, Riyadh Elm University, Riyadh 12611, Saudi Arabia
6. College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
7. Department of Pathology, Manipal Academy of Higher Education, Mangalore 576104, India