Kavli Institute for Theoretical Physics, Kohn Hall, University of California, Santa Barbara, CA 93106, Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD, and Detroit, MI 48201, USA, College of Plant Protection and College of Science, Hunan Agricultural University, Changsha, 410128, China, School of Computing, Clemson University, Clemson, SC 29634, USA, Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen, 9700 AK Groningen, The Netherlands, IBM T.J. Watson Research Center, Computational Biology Center, Yorktown Heights, NY 10003, Department of Molecular Biology and Biochemistry, Department of Physics and BioMaPS Institute, Rutgers University, Piscataway, NJ 08854 and Department of Computer Science, Wayne State University, Detroit, MI 48202, USA Kavli Institute for Theoretical Physics, Kohn Hall, University of California, Santa Barbara, CA 93106, Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD, and Detroit, MI 48201, USA, College of Plant Protection and College of Science, Hunan Agricultural University, Changsha, 410128, China, School of Computing, Clemson University, Clemson, SC 29634, USA, Johann Bernoulli Institute for Mathematics and Computer Science, University of Groningen, 9700 AK Groningen, The Netherlands, IBM T.J. Watson Research Center, Computational Biology Center, Yorktown Heights, NY 10003, Department of Molecular Biology and Biochemistry, Department of Physics and BioMaPS Institute, Rutgers University, Piscataway, NJ 08854 and Department of Computer Science, Wayne State University, Detroit, MI 48202, USA.