LP-PEA results shown are the means of duplicate determinations. Fig 1C, D and F. Results shown are means and SDs of triplicate determinations. Fig 1E. Results shown are representative of duplicate determinations. Fig 1F. IVIg doses at 2, 1, 0.5 and 0.25gm/Kg correspond to IVIg at a final concentration of 46, 23, 12 and 6mg/ml in the HIT sample, respectively.