1. Department of Industrial Engineering, Texas A&M University, 3131 TAMU, College Station, TX 77843,
2. Arizona Center for Integrative Modeling and Simulation, Department of Electrical and Computer Engineering, University of Arizona, 1230 E. Speedway, Tucson, AZ 85721
3. Tropical Research Institute, Travessa do Conde da Riberira 9, 1300-142 Lisbon, Portugal