1. Department of Microbial and Molecular Systems, KULeuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
2. CELLS-ALBA Synchrotron Radiation Facility, Carrer de la Llum 2-26, 08290 Cerdanyola del Vallès, Spain
3. Paul Scherrer Institute, Forschungsstrasse 111, 5232 Villigen, Switzerland