Received: 1 May 2020
Accepted: 4 August 2020
First Online: 17 August 2020
Ethics approval and consent to participate
: Not applicable.
: Ultrasound and computed tomography images were published in accordance with institutional policies which state that unidentifiable images can be used for scientific purposes, provided the report does not contain information about individual persons or cases.
: The authors declare that they have no competing interests with regards to the present work.