1. Department of Health Science, Graduate School of Chosun University, Gwangju, Republic of Korea
2. Department of Emergency Medical Service, Seoyeong University, Gwangju, Republic of Korea
3. Department of Preventive Medicine, College of Medicine, Chosun University, Gwangju, Republic of Korea
4. Department of Emergency Medical Service, Howon University, Jeonbuk, Republic of Korea