1 Department of Plastic and Reconstructive Surgery, Kangwon National University, School of Medicine, Kanwondaehak-gil 1, Chuncheon, Kangwon-do, Republic of Korea.
2 Department of Anatomic Pathology, Kangwon National University, School of Medicine, Kanwondaehak-gil 1, Chuncheon, Kangwon-do, Republic of Korea.
3 Department of Plastic and Reconstructive Surgery, Kangwon National University Hospital, Baekryeong-ro 156, Chuncheon, Kangwon-do, Republic of Korea.