| 16 | | || '''3'''b || || secondary_id || ? || Y || 50 || || || || basic || |
| 17 | | || '''4''' || SupportSourcesField || source_name || ? || Y || 1000 || Institution || source_name_set || ← Institution set (2) || basic (name only) || |
| 18 | | || '''5''' || PrimarySponsorField || primary_sponsor || ? || N || 2000 || !ClinicalTrial || primary_sponsor || !ForeignKey(Institution) || basic (name only) || |
| 19 | | || '''6''' || SecondarySponsorsField || sponsor_name || ? || Y || 2000 || Institution || secondary_sponsor_set || ← Institution set (2) || basic (name only) || |
| | 16 | || '''3'''b || || secondary_id || || || 50 || || || || basic || |
| | 17 | || '''4''' || SupportSourcesField || source_name || Y || Y || 1000 || Institution || source_name_set || ← Institution set (2) || basic (name only) || |
| | 18 | || '''5''' || PrimarySponsorField || primary_sponsor || Y || N || 2000 || !ClinicalTrial || primary_sponsor || !ForeignKey(Institution) || basic (name only) || |
| | 19 | || '''6''' || SecondarySponsorsField || sponsor_name || N || Y || 2000 || Institution || secondary_sponsor_set || ← Institution set (2) || basic (name only) || |