Author contributions
CF, KF, IG, and SK contributed substantially to the study design, data analysis, and interpretation. AHM was the coordinating investigator of the study and contributed substantially to the interpretation of the data. SSB, JWKvdB, PAM, LMcG, AMT, and PW contributed to the study design and conduct and the interpretation of the data. CF wrote the first draft of the manuscript. All authors critically reviewed and revised the manuscript and approved its submission. All authors read and approved the final manuscript.
