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Information about citations network of the four main groups.
| Main Groups | Number of Publications | Number of Citation Networks | Number of Citations, Median (Range) | Number of Publications with ≥4 Citations | Number of Publications in the 100 Most Cited Publications |
|---|---|---|---|---|---|
| Group 1 | 108 | 276 | 1 (0–18) | 46 | 40 |
| Group 2 | 80 | 203 | 1 (0–16) | 34 | 30 |
| Group 3 | 68 | 238 | 1 (0–28) | 34 | 24 |
| Group 4 | 28 | 40 | 0 (0–10) | 0 | 6 |
