Editor Jian-min Yao is the Chief Physician and a professor at the First Department of Plastic Surgery at Hangzhou Plastic Surgery Hospital, Hangzhou, China. He is also the Editor of the book: Congenital Deformities of the Hand and Upper Limb, Springer, 2017. Editor Jing-hong Xu is a surgeon and the Director of the Department of Plastic Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.