Table 2.

Publications in the 10 most productive institutions.

Rank	Institution	Country	NP	Proportion	NC	TLS
1	Cleveland Clinic	USA	34	2.07%	4608	42
2	Charité-Universitätsmedizin Berlin	Germany	30	1.82%	1687	62
3	University of Pittsburgh	USA	23	1.40%	1964	30
4	Harvard University	USA	22	1.34%	2359	26
5	University of California, San Diego	USA	15	0.91%	839	16
6	University of Copenhagen	Denmark	15	0.91%	468	32
7	Oslo University	Norway	14	0.85%	686	29
8	Columbia University	USA	14	0.85%	310	11
9	University of California, Los Angeles	USA	13	0.79%	1224	19
10	Stanford University	USA	13	0.79%	1021	26

NP: Number of publications; NC: Number of citations; TLS: Total link strength.