King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Computer, Electrical and Mathematical Sciences and Engineering (CEMCE) Division, Thuwal, 23955-6900, Saudi Arabia.|King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Computer, Electrical and Mathematical Sciences and Engineering (CEMCE) Division, Thuwal, 23955-6900, Saudi Arabia.|Department of Computer Science, University of California, Los Angeles, CA 90095, USA.|King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Computer, Electrical and Mathematical Sciences and Engineering (CEMCE) Division, Thuwal, 23955-6900, Saudi Arabia.