1. Department of Anatomy; College of Medicine, Chung-Ang University; Dongjak-Gu Seoul Republic of Korea
2. Department of Anatomy; College of Medicine; Kon-Yang University; Seo-Gu Daejeon Republic of Korea
3. Department of Nursing; College of Nursing; Keimyung University; Dalseo-Gu Daegu Republic of Korea
4. Department of Anatomy; Ewha Womans University School of Medicine; Yangcheon-Gu Seoul Republic of Korea