Authors’ contributions
RECRUITMENT
Study concept and design: EB, JP, DT, and LT. Recruitment strategy and data collection: JP and KP. Analysis and interpretation of data: EB, FB and DT. Drafting of manuscript: EB, FB and DT. Critical revision of the manuscript for important intellectual content: EB, FB, NK, JP, KP, DT and LT. All authors read and approved the final manuscript.