Table 3.

Organization published literature in the ICD.

Rank	Organization	Country	Number of studies	Total citations	Average citation
1	University of California System	United States	93	4045	43.49
2	US Department of Veterans Affairs	United States	92	4240	46.09
3	Veterans Health Administration (VHA)	United States	86	3048	35.44
4	Harvard University	United States	70	2911	41.59
5	Pennsylvania Commonwealth System of Higher Education (PCSHE)	United States	68	3525	51.84
6	University of Pittsburgh	United States	50	1659	33.18
7	University of London	England	46	1345	29.24
8	Harvard Medical School	United States	39	1551	39.77
9	Stanford University	United States	37	2657	71.81
10	Karolinska Institutet	United States	36	699	19.42