Table 1.

The 10 most productive countries and institutions contributing to Bell’s palsy research

Rank	Country	Publication count	Centrality	Institution	Publication count	Centrality
1	USA	356	0.15	Harvard University	63	0.05
2	China	123	0.05	Kyung Hee University	43	0.00
3	Japan	121	0.00	Massachusetts Eye and Ear	25	0.01
4	South Korea	112	0.00	Johns Hopkins University	22	0.08
5	UK	98	0.16	University of California	22	0.03
6	Turkey	97	0.00	University of Toronto	21	0.05
7	Germany	78	0.59	Harvard Medical School	21	0.02
8	Italy	59	0.05	Friedrich Schiller University of Jena	20	0.04
9	Canada	46	0.09	Karolinska Institute	20	0.03
10	Sweden	37	0.31	University of London	20	0.00