title: Author's reply.
authors.affiliation: Department of Orthopaedics, Paediatric Orthopaedics Unit, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Sanjay
authors.initials: S
authors.lastname: Arora
authors.affiliation: Department of Orthopaedics, Paediatric Orthopaedics Unit, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Vivek
authors.initials: V
authors.lastname: Dutt
authors.affiliation: Department of Orthopaedics, Paediatric Orthopaedics Unit, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Thomas
authors.initials: T
authors.lastname: Palocaren
authors.affiliation: Department of Orthopaedics, Paediatric Orthopaedics Unit, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Vrisha
authors.initials: V
authors.lastname: Madhuri