Table 2.

Analysis of the output and citations of the top 10 institutions.

Institute	Records	Citations	Average citations	Link strength
University of Porto	13	279	21.46	57
Ocean University of China	6	39	6.50	26
Al-Azhar University	5	13	2.60	24
University of California San Diego	4	431	107.75	21
University of Münster	4	129	32.25	10
China Medical University	3	151	50.33	14
King Faisal University	3	51	17.00	2
São Paulo State University	3	33	11.00	14
Chongqing University	2	43	21.50	0
China Pharmaceutical University	2	10	5.00	5