Rank

Publications

Countries

Centrality

Countries

Citations

Countries

1

2

3

4

5

6

7

8

9

10

126

64

32

31

27

23

13

12

6

6

China

U.S.

South Korea

Australia

U.K.

Sweden

Germany

Turkey

Brazil

Canada

0.24

0.21

0.14

0.11

0.08

0.07

0.04

0.04

0.03

0.02

U.S.

Australia

U.K.

China

Sweden

Netherlands

Italy

Germany

Denmark

Sri Lanka

1530

1466

1385

675

632

459

303

270

198

197

China

USA

England

Sweden

Australia

Germany

Wales

Netherlands

Brazil

Sri Lanka