1. Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
2. Graduate School Material Science in Mainz, Staudingerweg 9, 55128 Mainz, Germany
3. Department of Chemistry, New York University (NYU), New York, New York 10003, USA
4. Courant Institute of Mathematical Sciences, NYU, New York, New York 10012, USA
5. NYU-East China Normal University Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China