title: Reply to Editorial by Mamarelis et al.
authors.affiliation: Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD, USA.
authors.forename: Jaydev B
authors.initials: JB
authors.lastname: Mistry
authors.affiliation: Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD, USA.
authors.forename: Randa K
authors.initials: RK
authors.lastname: Elmallah
authors.affiliation: Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD, USA.
authors.forename: Kimona
authors.initials: K
authors.lastname: Issa
authors.affiliation: Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD, USA.
authors.forename: Morad
authors.initials: M
authors.lastname: Chughtai
authors.affiliation: Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Replacement, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD, USA.
authors.forename: Michael A
authors.initials: MA
authors.lastname: Mont