1. Department of Korean Medicine Rehabilitation, Dongshin Korean Medicine Hospital
2. Department of Korean Obstetrics & Gynecology, Daejeon Jaseng Hospital of Korean Medicine
3. Department of Korean Medicine Rehabilitation, Dong-seo Korean Medical Hospital
4. Department of Korean Pediatrics, Daeguhaany University Hospital
5. Department of Acupuncture & Moxibustion Medicine, Dong-Shin Korean Medicine Hospital
6. Sungkonghoe University Institute for Social Welfare Research Professor
7. Wonkwang University Jangheung Integrative Medical Hospital
8. Research Center of Traditional Korean Medicine, Wonkwang University