1. Department of Ophthalmology & Optometry, College of Medicine and Health Science, Hawassa University, Hawassa, Ethiopia
2. Department of Anesthesiology & Anesthesia, College of Medicine and Health Science, Hawassa University, Hawassa, Ethiopia
3. Department of Microbiology, Yirgalem Hospital Medical College, Yirgalem, Ethiopia
4. School of Medical Laboratory Sciences, College of Medicine and Health Science, Hawassa University, Hawassa, Ethiopia