Author information:
(1)Innovative Genomics Initiative, University of California, Berkeley, 
California, USA.
(2)Department of Computer Science, University of California, Berkeley, 
California, USA.
(3)Faculty of Industrial Engineering, Mechanical Engineering and Computer 
Science, University of Iceland, Reykjavik, Iceland.
(4)Department of Mathematics, University of California, Berkeley, California, 
USA.
(5)Department of Molecular &Cell Biology, University of California, Berkeley, 
California, USA.