Table 2: Biographical information of control group.
| Participant | Gender | Age* | Marital status | Occupation | Education* |
| NM | f | 52 | married | economist | 14 |
| KS | f | 60 | widow | dentist | 17 |
| TD | f | 68 | married | translator | 16 |
| AJ | f | 66 | divorced | administrative | 12 |
*Years.
Note: Control group: NM, KS, TD, AJ.