[1] Ctr Mol Biotechnol, Dept Mol Biotechnol & Hlth Sci, I-10126 Turin, Italy
[2] Gunma Univ, Grad Sch Med, Dept Med & Clin Sci, Maebashi, Gunma 3718511, Japan
[3] Univ So Calif, Dept Physiol & Biophys, Los Angeles, CA 90033 USA
[4] Univ So Calif, Dept Med, Los Angeles, CA 90033 USA
[5] Jikei Univ, Sch Med, Dept Internal Med, Tokyo 18, Japan
[6] Univ Florence, DENOTHE Ctr, Dept Clin & Expt Med, I-50139 Florence, Italy