1. Laboratory for Chemometrics
and Cheminformatics, Chemistry Department, University of Perugia,
Via Elce di Sotto 10, I-06123 Perugia, Italy
2. Department of Laser Medicine,
Molecular Drug Research Group, Heinrich-Heine-Universität,
Universitätsstraße 1, D-40225 Düsseldorf, Germany
3. Research Center, Dompé
s.p.a., Via Campo di Pile, I-67100 L’Aquila, Italy