1. Environmental
Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
2. Center
for Circadian Biology and Division of Biological Sciences, University of California, San Diego, La Jolla, California, United States
3. School
of Life Sciences, Arizona State University, Tempe, Arizona 85287, United States
4. Joint Genome Institute, Walnut Creek, California 94598, United States