1. California Institute for Quantitative Biosciences at University of California, Berkeley, 2151 Berkeley Way, Berkeley, CA 94704–5230, USA.
2. Environmental Genomics and Systems Biology Division at E. O. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Mailstop 955-512L, Berkeley, CA 94720, USA.
3. Department of Laboratory Medicine, University of California, San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143, USA.
4. Department of Bioengineering, University of California, Berkeley, 2151 Berkeley Way, Berkeley, CA 94704–5230, USA.
5. Department of Surgery, Denver Health Medical Center, 777 Bannock Street, Denver, CO 80204–0206, USA.
6. Department of Surgery, University of Colorado, 12631 East 17th Avenue, C-305, Aurora, CO 80045, USA.