1. Computer Science, North Carolina State University, Raleigh, North Carolina 27606, United States
2. Collaborations Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510, Raleigh, North Carolina 27606, United States
3. São Carlos Institute of Physics, University of São Paulo, Av. João Dagnone, 1100 - Santa Angelina, São Carlos - São Paulo 13563-120, Brazil