The whole form is this document. Saved to your own sandbox on this server; Reset restores the one that ships.
The definition reads user_isNewPatient, user_firstName, user_lastName, user_dateOfBirth, user_preferredLanguage, user_needsInterpreter, user_mrn, user_lastVisit and 8 more — as {user_name} in titles, in visibleIf and in defaultValueExpression.