Correction: Assessments of early patellofemoral joint osteoarthritis features after anterior cruciate ligament reconstruction: a cross-sectional study

oleh: Michael Tim-yun Ong, Gene Chi-wai Man, Xin He, Mingqian Yu, Lawrence Chun-man Lau, Jihong Qiu, Qianwen Wang, Jeremy Ho-pak Liu, Ben Chi-yin Choi, Jonathan Patrick Ng, Patrick Shu-hang Yung