Table 3.

The top 20 productive institutions in LPD research.

Rank	Affiliations	Country	Articles	Percentage
1	University Of Medicine And Dentistry Of New Jersey School	USA	25	3.96 %
2	Pennsylvania State University	USA	24	3.80 %
3	University of Michigan	USA	24	3.80 %
4	Baylor College of Medicine	USA	21	3.33 %
5	Harvard University	USA	20	3.17 %
6	University of California—Davis	USA	20	3.17 %
7	University of Pennsylvania	USA	17	2.69 %
8	University of Barcelona	USA	16	2.54 %
9	University of Connecticut	USA	15	2.38 %
10	University of North Carolina at Chapel Hill	USA	15	2.38 %
11	University of Texas at Austin	USA	13	2.06 %
12	University of Toronto	Canada	12	1.90 %
13	Yale University	USA	12	1.90 %
14	Nanjing University of Chinese Medicine	China	11	1.74 %
15	University of Helsinki	Finland	11	1.74 %
16	University of Wisconsin	USA	11	1.74 %
17	Yamaguchi University	Japan	11	1.74 %
18	Duke University	USA	10	1.58 %
19	Free University of Berlin	Germany	10	1.58 %
20	Jessop Hospital for Women	United Kingdom	9	1.43 %