Characteristic or classification | Number of publications (%) |
---|---|
Year of publication | |
1990–1995 | 1 (1.9) |
1996–2000 | 3 (5.6) |
2001–2005 | 9 (16.7) |
2006–2010 | 8 (14.8) |
2011–2015 | 31 (57.4) |
2016-present | 2 (3.7) |
Region represented by publishing organisation | |
United States of America | 20 (37.0) |
Europe | 12 (22.2) |
United Kingdom | 9 (16.7) |
Australia | 7 (13.0) |
Canada | 4 (7.4) |
New Zealand | 2 (3.7) |
Type of publication | |
Journal article | 32 (59.3) |
Standalone report | 18 (33.3) |
Book | 3 (5.6) |
Other (found in both a journal and as a report) | 1 (1.9) |
Indexed by PubMed | |
Yes | 38 (70.4) |
Access free of charge | |
Yes | 50 (92.6) |
Update of previous publication | |
Yes | 37 (68.6) |