Vu Quang Vinh1, Tran Van Anh, Le Nam, Hiko Hyakusoku, Rei Ogawa. 1. Department of Plastic and Reconstructive Surgery; Vietnam National Institute of Burns; Thanh-Tri, Hanoi, Vietnam (Vinh, Anh, Nam) Department of Plastic, Reconstructive, and Aesthetic Surgery; Nippon Medical School Hospital; Tokyo, Japan (Hyakusoku, Ogawa).