Conception and design: Iosif, Mounayer. Acquisition of data: Iosif, Camilleri, Boncoeur-Martel. Analysis and interpretation of data: Iosif, Camilleri, Boncoeur-Martel, Mounayer. Drafting the article: Iosif, Camilleri, Mounayer, Yardin. Critically revising the article: all authors. Reviewed submitted version of manuscript: all authors. Approved the final version of the manuscript on behalf of all authors: Iosif. Statistical analysis: Iosif. Study supervision: Mounayer.