No. (%) reporting specific information for each authorship category.
| Academic Medical Group (n = 40) | Biomedical Industry (n = 1) | Private Medical Group (n = 4) | Other (n = 5) | |
| Description | 28 (70) | 1 (100) | 4 (100) | 3 (60) |
| Diagnosis | 22 (55) | 1 (100) | 4 (100) | 2 (40) |
| Surgical treatment | 24 (60) | 1 (100) | 4 (100) | 4 (80) |
| Nonsurgical treatment | 19 (48) | 1 (100) | 3 (75) | 3 (60) |
| Inclusion criteria | 10 (32) | 1 (100) | 1 (25) | 2 (40) |
| Exclusion criteria | 7.0 (23) | 1 (100) | 4 (100) | 2 (40) |
| Benefits | 25 (63) | 1 (100) | 2 (50) | 3 (60) |
| Complications | 18 (45) | 1 (100) | 2 (25) | 2 (40) |
| Post-treatment course | 19 (48) | 1 (100) | 1 (25) | 1 (20) |