1. Department of Korean Medicine Rehabilitation, Bucheon Jaseng Hospital of Korean Medicine, Bucheon 14598, Republic of Korea
2. Department of Preventive Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
3. Department of Policy Development, National Institute of Korean Medicine Development, Seoul 04554, Republic of Korea
4. Department of Preventive Medicine, College of Korean Medicine, Woosuk University, Jeonju 54986, Republic of Korea