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Keratinocyte populations used in this study.
| Female Subjects (Age) | Anatomical Site | Cryopreservation |
|---|---|---|
| s1 (26 y/o) | Breast reduction tissue | * Cryopreserved |
| s2 (67 y/o) | Face-lift tissue | * Cryopreserved |
| s3 (65 y/o) | Breast reduction tissue | Never cryopreserved |
| s4 (62 y/o) | Face-lift tissue | Never cryopreserved |
* s1 was cryopreserved for 14 years and s2 for 11 years prior to this study.
