title: Letter to the Editor re: "Cam impingement: defining the presence of a cam deformity by the alpha angle data from the CHECK cohort and Chingford cohort".
authors.affiliation: Houston Methodist Hospital, Department of Orthopaedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA. Electronic address: orthomassey@gmail.com.
authors.forename: P A
authors.initials: PA
authors.lastname: Massey
authors.affiliation: Midwest Orthopaedics at Rush, 1611 W. Harrison Street, Suite 300, Chicago, IL 60612, USA. Electronic address: shane.nho@rushortho.com.
authors.forename: S J
authors.initials: SJ
authors.lastname: Nho
authors.affiliation: Minnesota Orthopedic Sports Medicine Institute at Twin Cities Orthopedics, 4010 West 65th Street, Edina, MN 55435, USA. Electronic address: chrislarson@tcomn.com.
authors.forename: C M
authors.initials: CM
authors.lastname: Larson
authors.affiliation: Houston Methodist Hospital, Department of Orthopaedics and Sports Medicine, 6550 Fannin Street, Smith Tower, Suite 2500, Houston, TX 77030, USA. Electronic address: joshuaharrismd@gmail.com.
authors.forename: J D
authors.initials: JD
authors.lastname: Harris
mesh_terms: D005260:Female; D057925:Femoracetabular Impingement / Q000473:pathology*; D006801:Humans; D008297:Male