UK: analysis and interpretation of data, critical revision of the article for important intellectual contents, approval of the final version.
AFR participated in the study concept and design, analysis and interpretation of data, critical revision of the manuscript for important intellectual content, approval and drafting of final report and study supervision.
JJM participated in the study concept and design, analysis and interpretation of data, drafting of the manuscript, critical revision of the manuscript for important intellectual content, approval and drafting of final report and study supervision.
RAB participated in the study concept and design, obtained funding, analysis and interpretation of data, statistical analysis, drafting the manuscript, critical revision of the manuscript for important intellectual content, approval and drafting of final report study supervision.
EB, DO, KD, FF, JL and TJ conceived and planned the work that led to the manuscript or acquisition, critical revision of the manuscript for important intellectual content and approval of the final submitted version of the manuscript.
TI conceived and planned the work that led to the manuscript or acquisition, drafting and critical revision of the manuscript for important intellectual content and approval of the final submitted version of the manuscript.
S Sellami: conception and design, critical revision of the article for important intellectual content, final approval of the article.
All authors involvement in drafting the manuscript and revising it for critical intellectual content and approval of the manuscript.
JR, Post-Doc, Ph.D.: Conception and design, interpretation of data, critical revising manuscript for intellectual content, final approval.
M Kallel-Sellami: conception and design, critical revision of the article for important intellectual content, final approval of the article.
