1. Department of Chemistry & QOPNA University of Aveiro 3810-193 Aveiro Portugal
2. Department of Chemistry & CICECO University of Aveiro 3810-193 Aveiro Portugal
3. Department of Medical Sciences & iBiMED University of Aveiro 3810-193 Aveiro Portugal
4. Department of Chemistry The University of Texas at Austin 105 E. 24th Street-A5300 Austin TX 78712-1224 USA
5. Centro de Química Estrutural, Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais 1049-001 Lisboa Portugal