[1] Chung Ang Univ, Coll Med, Ctr Chung Ang Med Educ Resource Allocat CAMERA, Seoul, South Korea
[2] Chung Ang Univ, Coll Med, Dept Emergency Med, Seoul, South Korea
[3] Chung Ang Univ, Coll Med, Dept Med Educ, Seoul, South Korea
[4] Chung Ang Univ, Coll Med, Dept Pathol, Seoul, South Korea
[5] Jeonbuk Natl Univ, Med Sch, Dept Med Educ, Jeonju, South Korea