Mapping the history and current situation of research on John Cunningham virus – a bibliometric analysis

BMC Infectious Diseases

Table 3 The core institutes to investigate the JCV

Num	Institution name	Country	Record count	Percentage(%)
1	Temple University	USA	128	7.2
2	University of Tokyo	Japan	86	4.8
3	National Institute of Neurological and Communication Disorders and Stroke	USA	79	4.4
4	Harvard University	USA	61	3.4
5	Hokkaido University	Japan	59	3.3
6	National Institute of Neurological Disorder and Stroke	USA	56	3.1
7	Pennsylvania State University	USA	56	3.1
8	Thomas Jefferson University	USA	47	2.6
9	University of Milan	Italy	40	2.2
10	University of Wisconsin	USA	39	2.2
11	Brown University	USA	38	2.1
12	Johns Hopkins University	USA	36	2.0
13	National Cancer Institute	USA	32	1.8
14	University of California san Diego	USA	31	1.7
15	University of Wurzburg	Germany	29	1.6
16	University of Pittsburgh	USA	28	1.6
17	IRCCS	Italy	25	1.4
18	Baylor College of Medicine	USA	24	1.3
19	University of Hamburg	Germany	24	1.3
20	National Institute of Health	USA	23	1.3
21	University of Ferrara	Italy	20	1.1

ISSN: 1471-2334