1. Researching Nurse, Department of Preventive Medicine, School of Medicine, Konkuk University, Seoul, Republic of Korea.
2. Professor, Department of Preventive Medicine, School of Medicine, Konkuk University, Seoul, Republic of Korea.
3. Professor, Department of Nursing, College of Biomedical and Health Sciences, Konkuk University, Chungju, Republic of Korea.
4. Clinical Fellow, Department of Preventive Medicine, Catholic Industrial Medical Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.