| Participant | Age at time of study | Sex |
|---|---|---|
| P1 | 54 yrs | M |
| P2 | 74 yrs | M |
| P3 | 56 yrs | undetermined |
| P4 | 65 yrs | M |
| P5 | 54 yrs | M |
| P6 | 62 yrs | F |
| P7 | 60 yrs | M |
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