- Correspondence to Dr Helder Pereira, Knee and Ankle Orthopaedic Department, Centro Hospitalar Póvoa de Varzim, Vila do Conde EPE, 4490-421 Póvoa de Varzim, Portugal;
- Received February 10, 2020
- Revised April 30, 2020
- Accepted May 26, 2020
- First published August 30, 2020.
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