Dr. Changsop Yang is a Principal Researcher at the Korean Medicine Science Research Division, Korea Institute of Oriental Medicine. He is also a Korean Medicine doctor and a specialist in Korean Internal Medicine. He completed his PhD studies in Korean Medicine at the College of Korean Medicine, Woosuk University. He has published 89 papers in various peer-reviewed journals and is serving as the Principal Investigator for multiple research projects. His research interests include clinical trial methodology, clinical research in clinics, and laser photobiomodulation.