Received: 31 March 2020
Accepted: 12 June 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee for biomedical research of Mohammed V- Souissi University of Rabat. All procedures performed on this study were in accordance with the ethical standards of the 1964 Helsinki declaration. Written consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.