1. Department of Pharmaceutics; College of Pharmacy; King Saud University; Riyadh; Saudi Arabia
2. Department of Pediatrics; Asthma Research Chair and Prince Naif Center for Immunology Research; College of Medicine; King Saud University; Riyadh; Saudi Arabia
3. Department of Pharmacognosy; College of Pharmacy; King Saud University; Riyadh; Saudi Arabia