1. Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
2. Departamento de Química Orgánica − IRICA, Facultad de Química, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
3. Dipartimento di Scienze Farmaceutiche & Center of Excellence for Nanostructured Materials, Università degli Studi di Trieste, Piazzale Europa 1, 34127 Trieste, Italy