Advances in gastrointestinal vascular bleeding disorders: Successful sirolimus treatment in colonic angioectasia

Table 1 Top 20 countries and institutions contributing to research in gastrointestinal vascular bleeding disorders

Rank	Country	Counts	Percent (%)	Institutions	Counts	Percent (%)
1	United States	141	30	Harvard University	20	4
2	Japan	50	11	Mayo Clinic	20	4
3	China	49	10	Massachusetts General Hospital	15	3
4	Italy	41	9	Harvard Medical School	14	3
5	England	36	8	University of Toronto	12	3
6	Spain	26	6	Cleveland Clinic Foundation	11	2
7	Germany	25	5	University of California System	11	2
8	South Korea	21	4	University of London	10	2
9	Canada	20	4	Johns Hopkins University	9	2
10	France	18	4	Saint Michaels Hospital Toronto	9	2
11	Netherlands	14	3	University College London	9	2
12	Turkey	10	2	Us Department of Veterans Affairs	9	2
13	Australia	9	2	Veterans Health Administration Vha	9	2
14	Ireland	8	2	Ciber Centro De Investigacion Biomedica En Red	8	2
15	Israel	8	2	Assistance Publique Hopitaux Paris Aphp	7	1
16	Greece	6	1	Consejo Superior De Investigaciones Cientificas Csic	7	1
17	Argentina	5	1	Csic Centro De Investigaciones Biologicas Cib	7	1
18	India	5	1	University of Utah	7	1
19	Poland	5	1	Utah System of Higher Education	7	1
20	Saudi Arabia	5	1	Washington University Wustl	7	1