A composition comprising a panel of antigens for determining the health of a subject, wherein the antigens comprise MAPK13 (HUMAN Mitogen-activated protein kinase kinase kinase 13), CD96 (HUMAN T-cell surface protein tactile), FKBP3 (HUMAN Peptidyl-prolyl cis-trans isomerase), PPM1A (HUMAN Protein phosphatase 1A), PHLDA1 (HUMAN Pleckstrin homology-like domain family A member 1), GLRX3 (HUMAN Glutaredoxin-3), FEN1 (HUMAN Flap endonuclease 1) and AURKA (HUMAN Aurora kinase A), and optionally comprising one or more of UBE2I (HUMAN SUMO-conjugating enzyme UBC9), AAK1 (HUMAN AP2-associated protein kinase 1), YARS (HUMAN Tyrosine-tRNA ligase, cytoplasmic), ASPSCR1 (HUMAN Tether containing UBX domain for GLUT4), CASP10 (HUMAN Caspase-10), FHOD2 (HUMAN formin homology 2 domain), TCL1A (HUMAN T-cell leukemia/lymphoma protein 1A), and MAP4 (HUMAN Microtubule-associated protein 4) wherein the antigens are biotinylated proteins.