title: Author's Reply.
authors.affiliation: Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. E-mail: binitsurekapgi@gmail.com.
authors.forename: Binit
authors.initials: B
authors.lastname: Sureka
authors.affiliation: Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. E-mail: binitsurekapgi@gmail.com.
authors.forename: Mahesh Kumar
authors.initials: MK
authors.lastname: Mittal
authors.affiliation: Department of Pediatrics, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India.
authors.forename: Aliza
authors.initials: A
authors.lastname: Mittal
authors.affiliation: Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. E-mail: binitsurekapgi@gmail.com.
authors.forename: Mukul
authors.initials: M
authors.lastname: Sinha
authors.affiliation: Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. E-mail: binitsurekapgi@gmail.com.
authors.forename: Brij
authors.initials: B
authors.lastname: Bhushan Thukral