year and month of assay, year and month of Tier 1 assays.Proteomics (uniquely identified proteins) - Donor. Experimental factors: gender. Assay batches: year and month of QC assays, instrument, year and month of analysis.Cellomics - Donor. Experimental factors: gender, culture system at the time of assay, passage interval at time of assay. Assay batches: date of staining, plating technician id, fixation technician id, staining technician id, primary antibody lot and secondary antibody lot.Cellular morphology assays (cell area, roundness, EDU, PC1 cellmorph) - Donor. Experimental factors: gender, cell line, fibronectin concentration. Assay batches: plate, row.