From: Rationale and Design of the Brigham Cohort for psoriasis and psoriatic arthritis registry (COPPAR)
Blood Collection Schedule | Baseline | 12Â months | 24Â months |
---|---|---|---|
Plasma Blood Monocyte Count | ✔ | ✔ | ✔ |
Plasma | ✔ | ✔ | ✔ |
Serum | ✔ | ✔ | ✔ |
DNA | ✔ |  |  |
RNA | ✔ | ✔ | ✔ |
Skin Biopsy | ✔ | ✔ | ✔ |