Table 3 Ranking of most prolific institutions (≥ 10 papers) and their collaborative patterns
Institution, country | Total papers, n | Signatures, n | Institutional collaborations (with different institutions), n | Institutional collaborations in same country (domestic institutions), n | Institutional collaborations from different countries, n | Main institutional collaborator (number of papers) | Different collaborative countries, n |
|---|---|---|---|---|---|---|---|
McMaster University, Canada | 49 | 216 | 109 | 31 | 78 | University of Toronto, Canada (10) | 19 |
University of Oxford, UK | 48 | 226 | 123 | 39 | 84 | Radcliffe Infirmary, UK (13) | 20 |
Harvard University, USA | 36 | 210 | 104 | 47 | 57 | Brigham and Women’s Hospital, USA (23) | 16 |
Brigham and Women’s Hospital, USA | 32 | 207 | 102 | 46 | 56 | Harvard University, USA (23) | 17 |
Radcliffe Infirmary, UK | 30 | 96 | 46 | 14 | 32 | University of Oxford, UK (13) | 11 |
University of London, UK | 29 | 207 | 125 | 34 | 91 | University of Bristol, UK; University of Edinburgh, UK and University of Oxford, UK (5) | 22 |
Copenhagen University Hospital, Denmark | 28 | 169 | 93 | 8 | 85 | Azienda Ospedaliera San Camillo-Forlanini, Italy; Université Paris V - René Descartes, France and University of Copenhagen, Denmark (4) | 20 |
University of Toronto, Canada | 27 | 123 | 55 | 23 | 32 | McMaster University, Canada and Sunnybrook Health Science Center, Canada (4) | 12 |
University of Sydney, Australia | 23 | 120 | 70 | 14 | 56 | National Health and Medical Research Council (NHMRC), Australia (6) | 15 |
University of Birmingham, UK | 22 | 80 | 51 | 26 | 25 | Queen Mary, University of London, UK and University of Aberdeen, UK | (3) 11 |
University of Bristol, UK | 22 | 141 | 96 | 33 | 63 | University of London, UK (5) | 21 |
University of Alberta, Canada | 20 | 94 | 57 | 14 | 43 | Institute of Health Economics, Canada and University of Calgary, Canada (4) | 15 |
University College London, UK | 19 | 123 | 88 | 33 | 55 | London School of Hygiene & Tropical Medicine, UK and Royal Free Hospital, UK (4) | 20 |
University Hospital Basel, Switzerland | 18 | 185 | 113 | 9 | 104 | Inselspital, Switzerland (5) | 20 |
Mayo Clinic, USA | 18 | 157 | 130 | 35 | 95 | University of Texas Medical School at Houston, USA (3) | 23 |
University of Glasgow, UK | 17 | 124 | 85 | 32 | 53 | University of Cambridge, UK (4) | 14 |
Erasmus MC University Medical Center Rotterdam, the Netherlands | 17 | 145 | 106 | 8 | 98 | Duke Clinical Research Institute (DCRI), USA and University of Sydney, Australia (3) | 23 |
Cleveland Clinic, UK | 16 | 75 | 51 | 11 | 40 | Duke Clinical Research Institute (DCRI), USA and University of Sydney, Australia (3) | 14 |
The University of York, UK | 16 | 64 | 44 | 26 | 18 | University of Leeds, UK (3) | 8 |
University of Bern, Switzerland | 16 | 128 | 72 | 8 | 64 | Inselspital, Switzerland (11) | 16 |
Medical Research Council’s Clinical Trials Unit, UK | 16 | 81 | 59 | 25 | 34 | University of Leicester, UK (3) | 14 |
Johns Hopkins University, USA | 15 | 58 | 42 | 18 | 24 | University Hospital Basel, Switzerland (2) | 11 |
Instituto di Ricerche Farmacologiche Mario Negri, Italy | 15 | 85 | 63 | 9 | 54 | University of Sydney, Australia (3) | 14 |
Hamilton Health Sciences, Canada | 14 | 64 | 37 | 5 | 32 | McMaster University, Canada (9) | 11 |
University of Calgary, Canada | 14 | 62 | 35 | 17 | 18 | University of Alberta, Canada (4) | 10 |
Tufts University, USA | 14 | 79 | 45 | 14 | 31 | Tufts Medical Center, USA (6) | 13 |
University of California, San Francisco, USA | 14 | 77 | 56 | 24 | 32 | San Francisco VA Medical Center, USA (3) | 16 |
University of Aberdeen, UK | 13 | 73 | 50 | 25 | 25 | NHS Grampian, UK (5) | 11 |
Sunnybrook Health Science Center, Canada | 13 | 83 | 45 | 17 | 28 | University of Toronto, Canada (10) | 9 |
University of Ottawa, Canada | 13 | 70 | 40 | 16 | 24 | Children’s Hospital of Eastern Ontario, Canada; McMaster University, Canada; Ottawa Hospital Research Institute (OHRI), Canada; University of Manitoba, Canada and University of Toronto, Canada (3) | 13 |
Wake Forest University, USA | 12 | 55 | 31 | 17 | 14 | University of East Anglia, UK and University of Washington, USA (4) | 7 |
Inselspital, Switzerland | 12 | 119 | 67 | 8 | 59 | University of Bern, Switzerland (11) | 16 |
University of Washington, USA | 12 | 44 | 25 | 12 | 13 | VA Puget Sound Health Care System, USA and Wake Forest University, USA (4) | 8 |
University of Edinburgh, UK | 12 | 106 | 66 | 30 | 36 | University of London, UK (5) | 17 |
Technical University of Munich, Germany | 11 | 110 | 63 | 3 | 60 | Columbia University Medical Center (CUMC), USA (4) | 17 |
Queen Mary, University of London, UK | 11 | 46 | 31 | 8 | 23 | University of Birmingham, UK (3) | 9 |
Tufts Medical Center, USA | 11 | 41 | 16 | 8 | 8 | Tufts University, USA (6) | 3 |
London School of Hygiene & Tropical Medicine, UK | 11 | 106 | 86 | 15 | 71 | University College London, UK (4) | 25 |
University of Pittsburgh, USA | 11 | 64 | 51 | 16 | 35 | Erasmus MC University Medical Center Rotterdam, the Netherlands and Ohio State University, USA (2) | 12 |