Only the creator of the review can invite collaborators to a project and change the blind setting. To invite collaborators, open the review and click on the "Invite" button.
From the ensuing box follow the prompts to:
After inviting collaborators, you have the option of changing the blind setting. Only the creator of a review can turn the blind setting on or off. The option to change the blind setting will appear at the top of the review page only when collaborators have been invited to the review.
When blinding is off conflicts will be identified for all collaborators. A chat box will also show up that allows collaborators to discuss decisions in real time.