Erratum to: Surgical treatment for early osteoarthritis. Part I: cartilage repair procedures.

Erratum to: Surgical treatment for early osteoarthritis. Part I: cartilage repair procedures.

In the original publication of the article, one of the co-author’s name (J. Espregueira-Mendes) was misspelt and another author’s initial (J. R. Steadman) was swapped. The complete and correct author group is provided below.