1. University of Jyväskylä Department of Biological and Environmental Science, Nanoscience Center, Jyväskylä, Finland
2. University of Helsinki, Molecular and Integrative Biosciences Research Programme, Helsinki, Finland
3. University of Wisconsin—Milwaukee, Department of Biological Sciences, Milwaukee, Wisconsin, USA
4. Université Laval, Département de Biochimie, de Microbiologie, et de Bio-informatique, Québec City, Québec, Canada