Received: 12 January 2020
Accepted: 29 July 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the ethical committee of the Nagoya University Graduate School of Medicine, Nagoya, Japan (approval no. 2018–0361). Approvals for data collection and the study were also obtained from MoHS, Myanmar. The objectives of the study and the data needed for the study were explained to the medical superintendent and responsible authorities of the radiology department of each hospital.
: Not applicable.
: The authors declare that they have no competing interests.