Composition of GRAPPA members.
| Participant Type | Non-North American | North American | Total |
|---|---|---|---|
| Dermatologist | 85 | 65 | 150 |
| Rheumatologist | 208 | 77 | 285 |
| Geneticist | 0 | 5 | 5 |
| Methodologist | 9 | 3 | 12 |
| Radiologist | 4 | 3 | 7 |
| Others | 8 | 4 | 12 |
| Not filed | 2 | — | 2 |
| Patient group / government representative | 7 | 3 | 10 |
| Subtotals | 323 | 160 | 483 |
| Sponsors | 62 | 72 | 134 |
| Total | 385 | 232 | 617 |