1. Department of Anatomy, College of Medicine; Chosun University
2. Department of Internal Medicine, Seoulpaik Hospital; Inje University College of Medicine; Seoul
3. Department of Urology; Chonnam National University Medical School; Gwangju
4. Department of Nursing, School of Natural Science; Songwon University; Gwangju
5. Department of Urology, School of Medicine; Jeju National University
6. Department of Pathology, School of Medicine; Jeju National University
7. Department of Anatomy, School of Medicine; Jeju National University; Jeju Korea