From the *Departments of Radiodiagnosis and Imaging, and
†Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
The authors declare no conflict of interest.
Ethical approval: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent: Informed consent was obtained from all individual participants included in the study.
Correspondence: Manphool Singhal, MD, DNB, Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Sector 12, Madhya Marg, Chandigarh, India 160012. E-mail: firstname.lastname@example.org.