Fig 1.
Selection of NMAs.
Fig 2.
The number of published NMAs from 1997 to 2015.
In blue, observed values (number of publications). In black, expected values (prediction line).
Table 1.
The journals that published five or more NMAs.
Table 2.
Ranking of most prolific authors (9 or more papers), their affiliations and centrality measures.
Fig 3.
Main clusters of authors (two-eight members) applying a threshold of three or more papers signed in co-authorship.
Fig 4.
Main clusters of authors (10–37 members) applying a threshold of three or more papers signed in co-authorship.
Table 3.
Ranking of most prolific institutions (15 or more papers), their country and centrality measures.
Fig 5.
Main clusters of institutions (2–20 members) applying a threshold of three or more papers signed.
Fig 6.
Main clusters of institutions (62 members) applying a threshold of three or more papers signed.
Table 4.
Ranking of most prolific countries (10 or more papers) and their centrality measures.
Fig 7.
Main clusters of countries applying a threshold of three or more papers signed.
Table 5.
The ranking of consulting firm or pharmaceutical industry.