Conflict of interest statement
Authors declare that they have no conflicts of interest.
Funding
This study receives no extramural funding.
Authors’ contributions
Sonia Jellad, Sarra Maatallah, and Molka Bouricha contributed to the study design, analyzed and interpreted the data. Sonia Jelladand and Molka Bouricha drafted and revised the manuscript. Sonia Jella and Molka Bouricha revised the manuscript and final approval. Sonia Jellad, Molka Bouricha, and Sarra Maatallah read and approved the final manuscript.
Publisher’s Note
The Publisher of the Journal remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
CHANGE HISTORY
A Correction to this paper has been published:
https://doi.org
The Retraction Note was updated to reflect reception of statements of disagreement from all authors.
This article has been retracted.Please see the Retraction Notice for more detail:
https://doi.org