There are multiple ways to invite a friend to open a Cytobank account:

• From the Inbox: At the top of the webpage, click "Invite a User" (or go to https://www.cytobank.org/cytobank/user_invites/new).

• From an experiment: In the experiment summary page section on Sharing Permissions on the left, follow the link to "Invite a New User" (or go to https://www.cytobank.org/cytobank/user_invites/new).

• From the Cytobank website: Refer your friend to http://www.cytobank.org and http://docs.cytobank.org/wagn/Getting_Started and they can read about Cytobank and follow the instructions to get started.

• From the login page: Send your friend a link to Cytobank (https://www.cytobank.org/cytobank/) and have them follow the instructions at the bottom of the login screen to register for a new account.