1. Department
of Biomedical Engineering, National University of Singapore, 4 Engineering
Drive 3, Singapore, S117583, Singapore
2. Department
of Physical Chemistry II, University of Bayreuth, Universitätsstraße
30, 95447 Bayreuth, Germany
3. Leibniz Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
4. Department
of Physical Chemistry of Polymeric Materials, Technische Universität Dresden, Hohe Straße 6, 01069 Dresden, Germany