Acknowledgements
The authors thank Christophe Roumier for handling, conditioning and storing patient samples (Lille Hospital Tumor Bank, certification NF 96900-2014/65453-1).
Author contributions
BD and LF designed the study. BD, LF, ND, JL, SS, IL, AD, NH, CP, and CT performed cytogenetic and molecular analyses. JL, and CT provided clinical data. BD, LF, ND, and CT wrote the article which was approved by all the authors.
Disclosure statement
No potential conflict of interest was reported by the author(s).