Authors’ contributions
JL, ET, JR, JWE, JF, ALO, AR and EN contributed with: Conception, design, or analysis and interpretation of data. Drafting the article or revising it and providing intellectual content of critical importance to the work described. JL, ET, JF and EN: Responsible for ensuring that issues related to the accuracy of any part of the work were investigated and resolved appropriately. All authors have read and approved the final manuscript.