title: Author's reply.
authors.affiliation: Department of Orthopaedics, PES Institute of Medical Science and Research, Kuppam, Andhra Pradesh, India.
authors.forename: Prasad
authors.initials: P
authors.lastname: Soraganvi
authors.affiliation: Department of Orthopaedics, PES Institute of Medical Science and Research, Kuppam, Andhra Pradesh, India.
authors.forename: B S Narayan
authors.initials: BS
authors.lastname: Gowda
authors.affiliation: Department of Orthopaedics, PES Institute of Medical Science and Research, Kuppam, Andhra Pradesh, India.
authors.forename: R
authors.initials: R
authors.lastname: Ramakanth
authors.affiliation: Department of Orthopaedics, Choolaimedu, Chennai, India.
authors.forename: Ashok S
authors.initials: AS
authors.lastname: Gavaskar