Characteristics of included records
| N (%) | |
| Types of literature from included records (n=50) | |
| Research articles | 15 (30) |
| Others (editorial, reports, case reports) from peer-reviewed journals | 28 (56) |
| Book chapters | 3 (6) |
| Websites | 2 (4) |
| Systematic review | 1 (2) |
| Government report | 1 (2) |
| Country of Centre or initiatives described (n=45) | |
| USA | 25 (56) |
| Others | 20 (44) |
| Clinical conditions from initiatives described (n=45) | |
| Cardiovascular disease | 8 (18) |
| Spinal surgery | 4 (9) |
| Pituitary tumours | 4 (9) |
| Diabetes | 3 (7) |
| Pregnancy related | 2 (4) |
| Others | 24 (53) |