1. Large Scale Structures Group, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
2. Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
3. Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany