Author contributions:
Meriem Adel: involved in conception and design of study, literature search, and drafting of article. Imen Rojbi, Meriem Affes, and Ibtissem Ben Nacef: involved in design of manuscript, literature search, and drafting of article. Meriem Affes, Saoussen Hantous and Myriam Jrad: involved in radiographic image acquisition and interpretation. Karima Khiari: involved in design of manuscript, drafting of article, and final approval. All authors read and approved the final version of the manuscript.