Before manage your connections on the Connections page, you should know the type of role that you perform in the institution (admin or member).
See How to find role characteristics.
How to check all the connections available for your account?
(1) Click Connections tab to enter the connections page. You will have access to all the connections made by Democlinic1 and Demo Hospital in which you perform a role.
How to delete an connections from your account?
(2) You can click Delete button in the connection list to remove the connection from your institution. Remember that only an admin role has the permission to delete the connection of corresponding institution.