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Specialty of included study physicians (N=2129).
| Clinical specialty | Values, n (%) |
| Internal medicine subspecialty | 671 (31.5) |
| Surgery | 377 (17.7) |
| General practice (eg, internal medicine and family doctors) | 326 (15.3) |
| Pediatrics | 175 (8.2) |
| Neurology | 141 (6.6) |
| Obstetrician and gynecologist | 134 (6.3) |
| Other | 91 (4.3) |
| Psychiatry | 72 (3.4) |
| Emergency medicine | 68 (3.2) |
| Dermatology | 36 (1.7) |
| Rehab | 32 (1.5) |
| Pain medicine | 6 (0.3) |
