Co-authorship network analysis in health research: method and potential use

Table 4 Top five central organizations in the global network of research on vaccines against the Chikungunya virus

Organization (rank)	Degree centrality^a	Organization (rank)	Betweeness centrality^a	Organization (rank)	Closeness centrality^a
University of Texas	0.117	University of Texas	0.188	University of Texas	0.402
National University of Singapore	0.107	CEA	0.132	Queensland Institute of Medical Research	0.392
ASTAR	0.093	Queensland Institute of Medical Research	0.099	CEA	0.383
Queensland Institute of Medical Research	0.083	University of Munich	0.077	INRA	0.355
CEA	0.083	Osaka University	0.073	University of Queensland	0.354

^aCentrality values were normalized in accordance with the size of the network
ASTAR, Singapore Agency for Science, Technology and Research; CEA, French Alternative Energies and Atomic Energy Commission; INRA, French National Institute for Agricultural Research

ISSN: 1478-4505