Pre-operative simulation of periacetabular osteotomy via a three-dimensional model constructed from saltKensuke Fukushima, Naonobu Takahira, Katsufumi Uchiyama, Mitsutoshi Moriya and Masashi TakasoSICOT-J, 3 (2017) 14DOI: https://doi.org/10.1051/sicotj/2016051