Authors' roles & responsibilities
HP	Substantial contributions to the conception or design of the work; and the acquisition, analysis or interpretation of data for the work; drafted the work or revised it critically for important intellectual content; agree to be accountable for all aspects of the work in ensuring that issues 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
AAA	Substantial contributions to the conception or design of the work; and the acquisition, analysis or interpretation of data for the work; drafted the work or revised it critically for important intellectual content; agree to be accountable for all aspects of the work in ensuring that issues 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
AÖ	Substantial contributions to the conception or design of the work; and the acquisition, analysis or interpretation of data for the work; drafted the work or revised it critically for important intellectual content; agree to be accountable for all aspects of the work in ensuring that issues 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