In order to customize your author list, click on the Manage Collaborators or Share button and follow the prompts, as shown in this gif:
In the Author Management Dashboard, you are able to:
edit the display name of every coauthor
pick one or more affiliations for each author (or create a new custom display affiliation)
add a named author (who will not be invited to Authorea)
arrange the author order
delete coauthors
Published on: 12 / 13 / 2017