Authors' roles & responsibilities
AZ	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; drafting the work or revising it critically for important intellectual content; agreement 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; final approval of the version to be published
KZ	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; drafting the work or revising it critically for important intellectual content; agreement 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; final approval of the version to be published
BS	Substantial contributions to the conception of the work; agreement to be accountable for all aspects of the work; final approval of the version to be published
AAR	Substantial contributions to the conception of the work; agreement to be accountable for all aspects of the work; final approval of the version to be published
RV	Substantial contributions to the conception of the work; agreement to be accountable for all aspects of the work; final approval of the version to be published
DW	Substantial contributions to the conception of the work; agreement to be accountable for all aspects of the work; final approval of the version to be published
AR	Substantial contributions to the conception of the work; agreement to be accountable for all aspects of the work; final approval of the version to be published
AW	Agreement 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; final approval of the version to be published