1. Jaseng Hospital of Korean Medicine, 536 Gangnam-daero, Gangnam-gu, Seoul 06110, Republic of Korea
2. Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, 2F, 540 Gangnam-daero, Gangnam-gu, Seoul 06110, Republic of Korea
3. Department of OB & GY in Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea