TABLE 3.

List of national or regional collaborative network for anticancer natural products.

Rank	Frequency	Centrality	Country
1	13,323	0.16	People’s Republic of China
2	7,676	0.78	United States
3	2,727	0.02	India
4	2,686	0.02	South Korea
5	1,802	0.01	Taiwan, China
6	1,627	0.05	Japan
7	1,484	0.08	Germany
8	1,324	0.08	Italy
9	894	0.04	Brazil
10	872	0	Iran