1. Department of Acupuncture & Moxibustion, Kyung Hee University Hospital at Gangdong, Seoul, South Korea.
2. Department of Acupuncture and Moxibustion, College of Korean Medicine, Kyung Hee University, Seoul, South Korea.
3. Department of Orthopedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, South Korea.
4. Department of Physical Therapy, Kyung Hee University Hospital at Gangdong, Seoul, South Korea.