Received: 18 June 2020
Accepted: 6 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: This study was carried out after the approval of the biomedical ethics committee of Institut Pasteur de Tunis (2017/6B/I/Cancer colorectal/V1).
: Consent to publish has been obtained from all authors.
: The authors declare that they have no competing interests.