1. Goethe University Frankfurt Institute for Organic Chemistry and Chemical Biology Max-von-Laue Str. 9 60438 Frankfurt am Main Germany
2. University Hospital Bonn Institute of Experimental Hematology and Transfusion Medicine Venusberg-Campus 1 53105 Bonn Germany
3. University of Bonn Life and Medical Sciences Institute Center of Aptamer Research & Development Gerhard-Domagk-Str. 1 53121 Bonn Germany