1. Division of Molecular Medicine, Los Angeles County Harbor-UCLA Medical Center, Torrance, CA 90502, USA
2. Division of Infectious Diseases, Los Angeles County Harbor-UCLA Medical Center, Torrance, CA 90502, USA
3. Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA
4. The David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA
5. Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
6. Institute of Molecular Biosciences, University of Graz, Graz, Austria
7. Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium