Department of Computer Science, East Carolina University, Greenville, NC 27858 and Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.|Department of Computer Science, East Carolina University, Greenville, NC 27858 and Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.|Department of Computer Science, East Carolina University, Greenville, NC 27858 and Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.|Department of Computer Science, East Carolina University, Greenville, NC 27858 and Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.