Authors' contributions
Conception and design: Mariem Keskes and Nouha Amouri; acquisition of data: Mariem Keskes and Nouha Amouri; analysis and interpretation of data: Mariem Keskes, Nouha Amouri, Salma Ketata, Rahma Derbel, Imen Zouche, and Maha Charfi; drafting the article or revising it critically for important intellectual content: Mariem Keskes, Nouha Amouri, Salma Ketata, Rahma Derbel, Imen Zouche, Hichem Chikhrouhou, Maha Charfi, Moez Elloumi, and Moncef Sallemi; final approval of the version to be published: Mariem Keskes, Nouha Amouri, Salma Ketata, Rahma Derbel, Imen Zouche, Maha Charfi, Moncef Sallemi, Moez Elloumi, and Hichem Chikhrouhou. All the authors read and approved the final version of this manuscript.