Fridhi, Bechir
Article History
Received: 29 June 2020
Accepted: 19 January 2021
First Online: 17 May 2021
Change Date: 4 August 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s13731-021-00172-6
Competing interests
: The author has no competing interests.