1. Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Woosuk University
2. Korean Medical Association for Laser Therapy
3. Department of Internal Medicine, College of Korean Medicine, Woosuk University
4. Department of Korean Obstetrics & Gynecology, College of Korean Medicine, Woosuk University
5. Bae, Kim & Lee LLC lawyer
6. Department of Ophthalmology, Otolaryngology and Dermatology, Pusan National University Hospital
7. Third Division of Clinical Medicine, School of Korean Medicine, Pusan National University