1. DWI − Leibniz Institute for Interactive Materials, RWTH Aachen University, Forckenbeckstraße 50, 52076 Aachen, Germany
2. Laboratory
for Biomaterials Institute for Biotechnology and Helmholtz-Institute
for Biomedical Engineering, RWTH Aachen University, Pauwelsstr. 20, 52074 Aachen, Germany
3. Department
of Internal Medicine III, University Hospital, RWTH Aachen University, Pauwelsstr. 30, 52074 Aachen, Germany