Figure 7.

Networking A General search: Cooperation network between institutions with at least 10 published items. Threshold was set to 3 cooperating articles for improved readability B General search: Author cooperation network. Greyscale and thickness stand for amount of cooperation. The numbers behind the name are total number of published items / as first author / as senior author respectively. C Public health search: Cooperation network between institutions with at least 10 published items. Threshold was set to 2 cooperating articles for improved readability D Public health search: Author cooperation network. The numbers behind the name are total number of published items / as first author / as senior author respectively.

Groneberg-Kloft et al. BMC Public Health 2013 13:541   doi:10.1186/1471-2458-13-541
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