TABLE 1.

Top 20 most productive countries/regions in the field of drug repositioning.

Rank	Country	TP	TC	h-index	ACPP	nCC	SMCP (%)	Region
1	The United States	918	27,355	74	29.8	59	48.15	Anglo-America
2	P.R. China	485	11,147	49	22.98	39	36.70	Asia
3	The United Kingdom	284	8,762	43	30.85	57	69.01	Europe
4	India	247	3,203	27	12.97	37	30.77	Asia
5	Italy	232	6,024	39	25.97	40	47.41	Europe
6	Germany	171	5,213	36	30.49	50	67.25	Europe
7	South Korea	161	2221	21	13.8	24	29.20	Asia
8	Japan	146	3,037	26	20.8	22	25.34	Asia
9	Brazil	125	1911	24	15.29	29	42.20	Latin America
10	France	116	3,627	26	31.27	35	56.03	Europe
11	Canada	111	4,641	28	41.81	46	62.16	Anglo-America
12	Spain	109	2305	27	21.15	38	58.72	Europe
13	Australia	73	1816	23	24.88	36	79.45	Oceania
14	The Netherlands	73	1,559	22	21.36	37	75.34	Europe
15	Switzerland	59	2126	23	36.03	32	67.80	Europe
16	Sweden	58	1,434	19	24.72	37	86.21	Europe
17	Taiwan Region	58	1,110	17	19.14	8	36.21	Asia
18	Argentina	51	749	17	14.69	16	43.14	Latin America
19	Belgium	48	1,062	18	22.13	26	81.25	Europe
20	Mexico	47	1,162	19	24.85	15	42.55	Latin America

Notes: TP, total papers; TC, total citations; ACPP, average citations per publication; nCC, number of cooperative countries; and SMCP, share of multinational cooperation publications.