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Article History

Received: 4 April 2020

Accepted: 14 July 2020

First Online: 22 July 2020

Declaration:

:

: Acquisition of all clinical images was granted by subject verbal consent. The images in this paper are obtained from an open database of hospitals in Moscow, Italy, China and India (Links are provided in the reference sections). These are repositories of anonymised images accessible locally for educational purposes and no identifiable information is stored or available.

: Extra data is available by emailing to sachin.sharma@iar.ac.in on reasonable request.

: The authors declare that they have no competing interests.

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