1. Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, 413 90 Gothenburg, Sweden
2. KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, 3000 Leuven, Belgium
3. Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
4. Nanosyn, 3100 Central Expressway, Santa Clara, California 95051, United States