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

Affiliations

• ¹ Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, 74029, Hong Kong SAR, China. michael.ong@cuhk.edu.hk.
• ² Lui Che Woo Clinical Science Building, Prince of Wales Hospital, Shatin, Hong Kong SAR, China. michael.ong@cuhk.edu.hk.
• ³ Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, 74029, Hong Kong SAR, China.
• ⁴ Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Hong Kong SAR, China.