1. Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
2. Department of Chemistry, University of São Paulo, 14040-901 Ribeirão Preto, Brazil
3. Hylleraas Centre for Quantum Molecular Sciences, University of Oslo, 0315 Oslo, Norway
4. School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
5. Department of Chemistry and Biochemistry, University of California, 3234 Urey Hall, #0340, 9500 Gilman Drive, La Jolla, 92093-0340 San Diego, California, United States