Authors' roles & responsibilities
AA	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; drafting the work; final approval of the version to be published
SA	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; data gathering management; final approval of the version to be published
MAT	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; data gathering management; final approval of the version to be published
AAM	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; data gathering management; final approval of the version to be published
MHA	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; data gathering management; final approval of the version to be published
FT	Statistical analysis and interpretation of data for the work; final approval of the version to be published
EG	Statistical analysis and interpretation of data for the work; final approval of the version to be published
SE	Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; data gathering management; final approval of the version to be published