Supplementary Figure 3 from Peptide Vaccination Breaks Tolerance to HER-2/&lt;i&gt;neu&lt;/i&gt; by Generating Vaccine-Specific FasL&lt;sup&gt;+&lt;/sup&gt; CD4&lt;sup&gt;+&lt;/sup&gt; T Cells: First Evidence for Intratumor Apoptotic Regulatory T Cells