[1] Univ Roma La Sapienza, Dipartimento Studi Chim & Tecnol Sostanze Biologi, I-00185 Rome, Italy
[2] Univ Siena, Dipartimento Farmaco Chim Tecnol, I-53100 Siena, Italy
[3] Univ Siena, European Res Ctr Drug Res & Dev, I-53100 Siena, Italy
[4] Univ Naples Federico II, Dipartimento Farmacol Sperimentale, I-80131 Naples, Italy
[5] Rotta Res Labs SpA, I-20052 Monza, Italy