[1] Univ Ferrara, Dept Clin & Expt Med, Pharmacol Unit, I-44100 Ferrara, Italy
[2] Univ Ferrara, Dept Expt & Diagnost Med, Ctr Biotechnol, Sect Pathol, I-44100 Ferrara, Italy
[3] Medco Res, Res Triangle Pk, NC USA
[4] Univ Ferrara, Dept Pharmaceut Sci, I-44100 Ferrara, Italy
[5] Univ Trieste, I-34127 Trieste, Italy