1. Center for Stem Cell Research, College of Medicine King Khalid University Abha Saudi Arabia
2. Department of Microbiology and Clinical Parasitology, College of Medicine King Khalid University Abha Saudi Arabia
3. Department of Surgery, Plastic Surgery Division, College of Medicine King Khalid University Abha Saudi Arabia
4. Department of Prosthetic Dentistry, College of Dentistry King Khalid University Abha Saudi Arabia