1. Department of Anesthesiology and Pain Medicine, Wonju College of Medicine, Yonsei University
2. Department of Anesthesiology and Pain Medicine, Korea University Medical Center, Anam Hospital
3. Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University
4. Department of Microbiology, Wonju College of Medicine, Yonsei University
5. Department of Orthopedics, Wonju College of Medicine, Yonsei University
6. Department of Internal Medicine, Wonju College of Medicine, Yonsei University
7. Institute for Poverty Alleviation and International Development, Yonsei University