Ki-Tae Park a, 1
These authors contributed equally to this work.
, Jung-Wee Park b, e, 1
These authors contributed equally to this work.
, Dong-Hoon Lee c, Soon Young Park b, Min-Ji Han d, Young-Kyun Lee b, e, ⁎ 
a Department of Orthopaedic Surgery, Ewha Womans University Mokdong Hospital, Seoul, South Korea
b Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
c Department of Orthopaedic Surgery, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong, South Korea
d Big Data Center, Seoul National University Bundang Hospital, Seongnam, South Korea
e Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, South Korea