1. Institute for Systems Biology; Seattle WA USA
2. Center for Computational Medicine and Bioinformatics; University of Michigan; Ann Arbor MI USA
3. Institute for Molecular Systems Biology; Swiss Federal Institute of Technology (ETH); Zurich Switzerland
4. Department of Cellular and Molecular Pharmacology; University of California San Francisco (UCSF); CA USA
5. National Institute of Standards and Technology; Department of Commerce; Gaithersburg MD USA
6. Discovery and Analytical Sciences; RTI, International, Research Triangle Park; NC USA