Answer to the letter concerning the work: CPAK classification detects the real knee joint apex position in less than half of the knees

Affiliations

• ¹ Institute du Mouvement et de l'appareil locomoteur, Hôpital Sainte-Marguerite, Aix-Marseille Université, Marseille, France.
• ² Department of Orthopaedics and Traumatology, Erzurum Regional Training and Research Hospital, Erzurum, Turkey.
• ³ Department of Orthopaedic Surgery, Medstar Union Memorial Hospital, Baltimore, Maryland, USA.
• ⁴ Medstar Health at Lafayette Centre, Washington, District of Columbia, USA.
• ⁵ Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
• ⁶ Department of Orthopaedics and Traumatology, Faculty of Medicine, Trakya University, Edirne, Turkey.