- Polymorphisms of heat shock protein-70 (HSPA1B and HSPA1L loci) do not influence infection or outcome risk in critically ill surgical patients. Bowers, D.J., Calvano, J.E., Alvarez, S.M., Coyle, S.M., Macor, M.A., Kumar, A., Calvano, S.E., Lowry, S.F. Shock (2006)