Composition of Grappa members, June 2009.
| Participant Type | Non-North America | North America | Total |
|---|---|---|---|
| Dermatologist | 42 | 43 | 85 |
| Rheumatologist | 112 | 37 | 149 |
| Geneticist | 0 | 4 | 4 |
| Methodologist | 8 | 4 | 12 |
| Patient Group/Government Representative | 7 | 3 | 10 |
| Radiologist | 3 | 4 | 7 |
| Sponsors | NA | NA | 40 |
| Totals | 172 | 95 | 307 |
NA: not applicable.