GRAPPA members, December 2010.
| Participant Type | Non-NA | NA | Total |
|---|---|---|---|
| Dermatologist | 46 | 51 | 97 |
| Rheumatologist | 123 | 47 | 170 |
| Geneticist | 0 | 4 | 4 |
| Methodologist | 8 | 4 | 12 |
| Patient group/government representative | 7 | 4 | 11 |
| Radiologist | 3 | 4 | 7 |
| Subtotal | 187 | 114 | 301 |
| Sponsors | N/A | N/A | 48 |
| Total | 349 |
NA: North America; N/A: not applicable