| el | Μητρική γλώσσα αυτού του χρήστη είναι η ελληνική. |
| en-5 | This user can contribute with a professional level of English. |
 | This user is an academic. |
 | This user is a scientist. |
| This user is a participant in WikiProject Chemistry. |
| This user is a participant in WikiProject Chemicals. |
| MSc | This user has a Master of Science degree. |
| MBA | This user has a Master of Business Administration degree. |
| PhD | This user has a Doctor of Philosophy degree. |