| SOM of SOMs: Self-organizing Map Which Maps a Group of Self-organizing Maps Recent countries visiting this post |  |
 | 9 | United States |
 | 1 | Russian Federation |
 | 1 | Germany |
 | 1 | Iran, Islamic Republic of |
 | 1 | Italy |
| SOM of SOMs: Self-organizing Map Which Maps a Group of Self-organizing Maps Recent countries visiting this post | |
| 9 | United States |
| 1 | Russian Federation |
| 1 | Germany |
| 1 | Iran, Islamic Republic of |
| 1 | Italy |