Immunology / Statistical Analysis / Informed Consent / Image Analysis / Extracellular Matrix / Protein synthesis / Systemic sclerosis / Clinical Sciences / Fetal Bovine Serum / Public health systems and services research / Western blot / Extracellular Matrix Proteins / Skin Biopsy / Protein synthesis / Systemic sclerosis / Clinical Sciences / Fetal Bovine Serum / Public health systems and services research / Western blot / Extracellular Matrix Proteins / Skin Biopsy