1. Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
2. Department of Pharmaceutical Sciences via Marzolo 5 35131 Padova Italy
3. Department of Women's and Child's health Oncohematology laboratory University of Padova Via Giustiniani 2 I-35128 Padova Italy