1. Department of Clinical Laboratory Science, Dongnam Health University, Suwonsi, South Korea
2. Department of Nursing, Christian College of Nursing, Gwangju, South Korea
3. Department of Nursing, Chunnam Technouniversity, Gokseong-gun, South Korea
4. Department of Dental Hygiene, Kwangju Womens’s University, Gwangsan-gu, South Korea
5. Department of Dental Hygiene, Honam University, Gwangju, South Korea
6. Department of Clinical Laboratory Science, Wonkwang Health Science University, Iksan-si, South Korea