Where used:
| Class | PATIENT | references in description HEALTH CHECK INVITATION DATE |
| Class | REGISTRATION | references in description HEALTH CHECK INVITATION DATE |
| Class | REGISTRATION HEALTH CHECK | has attribute HEALTH CHECK INVITATION DATE |
| Class | PATIENT | references in description HEALTH CHECK INVITATION DATE |
| Class | REGISTRATION | references in description HEALTH CHECK INVITATION DATE |
| Class | REGISTRATION HEALTH CHECK | has attribute HEALTH CHECK INVITATION DATE |