Authorship
LC, BLR, MGM, FF, and PR have made substantial contributions to conception and design, or acquisition of data, or analysis and interpretation of data; LC, BLR, MGM, FF, and PR have been involved in drafting the manuscript or revising it critically for important intellectual content; LC, BLR, MGM, FF, and PR gave the final approval of the version to be published. Each author should have participated sufficiently in the work to take public responsibility for appropriate portions of the content; and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.