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Contributors RD, JS, CV and BW: conception and design, acquisition and analysis of data, drafting a significant portion of the manuscript or figures and critical revision of the manuscript for important intellectual content. MF, AI and MP: acquisition and analysis of data. OG: critical revision of the manuscript for important intellectual content.
Competing interests None declared.
Patient consent Obtained.
Ethics approval Fondation Rothschild Institutional Review Board.
Provenance and peer review Not commissioned; externally peer reviewed.
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