People

In the People tab, it is possible to add the names and titles of the people who worked on the study in the top frame.  Click on the button Add Author, and you will be prompted for the family name of the person.  You can then fill in their given name in the relevant field and other information such as middle initials or professional title (which is set to Dr when you add the person).  You can also remove an Author using the button at the bottom of the frame.

If the person is contact for the deposition, you can toggle this by double clicking in the Contact field or using the Set Author as Contact button.  At this point, the person's names will be indicated in the bottom frame.  You can address information by clicking on the Add Address button, where you will be prompted for an email address.  Once you have added an email address, then you can fill in contact details such as mailing address, city, country and telephone number.

The People tab.

The top frame allows you to add people and set them as a contact and the bottom frame is for adding address information about the contact people.