Author contributions
SBE
JB and BK have full access to all the data in the present study and take responsibility for the integrity of the data analysis. Study design: SR, RB, SBE, and LH. Acquisition of data: JB, BK, SR, MJ and RB. Analysis and interpretation of data: JB, BK, GH, SBE, and LH. Drafting of manuscript: JB. All authors critically revised the manuscript and had the opportunity to comment on the interpretation of results. All have approved the final version. Statistical analysis: JB, BK, SBE, and LH. Obtained funding: JB, SR, BK, LH, SBE.