[1] Univ Calif Irvine, Dept Physiol & Biophys, Irvine, CA 92697 USA
[2] Univ Calif Irvine, Inst Immunol, Irvine, CA 92697 USA
[3] CINVESTAV IPN, Dept Mol Biomed, Mexico City, DF, Mexico
[4] Univ Calif Irvine, Dept Mol Biol & Biochem, Irvine, CA 92697 USA
[5] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Dept Immunol, Mexico City, DF, Mexico
[6] Univ Autonoma Nuevo Leon, Univ Hosp, Serv Anat Pathol, Monterrey, NL, Mexico