1 Tero Aittokallio is an EMBL Group Leader at the Institute for Molecular Medicine Finland (FIMM), University of Helsinki, FI 00014 Helsinki, Finland, and a Professor in the Department of Mathematics and Statistics, University of Turku, FI 20014 Turku, Finland.
2 Andreas Scherer is a Project Director at FIMM, University of Helsinki, FI 00014 Helsinki, Finland, and National Coordinator in Finland for the European Infrastructure for Translational Medicine (EATRIS).
3 Matti Poutanen is a Professor in the Department of Physiology and Director of Turku Center for Disease Modeling (TCDM), Institute of Biomedicine, University of Turku, FI 20014 Turku, Finland.
4 Leonard P. Freedman is the Founding President of the Global Biological Standards Institute (GBSI), Washington, DC 20036, USA. Email: [email protected].