Text and Data Mining valid from 2019-03-04
Received: 28 November 2018
Accepted: 7 February 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: The study was approved by the local Ethic Committee (approval #13922, 13/04/2017).
: All the co-authors have read the manuscript and approved its submission to “Orphanet Journal of Rare Disease”.
: The authors declare that they have no competing interest.
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