TABLE 1.
Top ten institutions and countries/regions.
| Rank | Countries/Regions | Count | Citations | H-index | Institutions | Count | H-index |
|---|---|---|---|---|---|---|---|
| 1 | China | 101 | 3,286 | 23 | Medical University Of Vienna | 15 | 11 |
| 2 | United States | 73 | 7,302 | 28 | National University Of Singapore | 12 | 10 |
| 3 | India | 48 | 4,026 | 14 | University Of California System | 12 | 7 |
| 4 | England | 23 | 1,419 | 10 | Singapore National Eye Center | 11 | 9 |
| 5 | Singapore | 21 | 718 | 11 | Shanghal Jiao Tong University | 10 | 6 |
| 6 | Saudi Arabia | 18 | 157 | 7 | Egyptian Knowledge Bank EKB | 9 | 3 |
| 7 | Australia | 17 | 613 | 8 | Indian Institute Of Technology System IIT System | 9 | 7 |
| 8 | Austria | 17 | 1,011 | 11 | Isfahan University Medical Science | 9 | 5 |
| 9 | Pakistan | 15 | 157 | 8 | Shantou University | 9 | 4 |
| 10 | Iran | 14 | 349 | 7 | Cleveland Clinic Foundation | 8 | 6 |