1 NYU Health Sciences Library, NYU Langone Health, New York, New York, United States of America.
2 Montana State University Library, Montana State University, Bozeman, Montana, University States of America.
3 Medical library, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America.
4 Galter Health Sciences Library and Learning Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America.
5 Samuel J. Wood Library and C.V. Starr Biomedical Information Center, Weill-Cornell Medicine, New York, New York, United States of America.
6 Health Sciences Library System, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America.
7 Health Sciences and Human Services Library, University of Maryland-Baltimore, Baltimore, Maryland, United States of America.
8 Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America.