Conception and design: Jea. Acquisition of data: Jea, Mata. Analysis and interpretation of data: Jea, Mata. Drafting the article: Jea, Gressot. Critically revising the article: Jea, Gressot. Reviewed submitted version of manuscript: Jea, Gressot, Mata. Approved the final version of the manuscript on behalf of all authors: Jea. Study supervision: Luerssen.