1. From the Department of Laboratory Medicine and Pathology (Reddi, Liu), University of Washington, Seattle
2. Department of Mechanical Engineering (Barner, Gao, Liu), University of Washington, Seattle
3. Department of Medicine (Burke, Grady), University of Washington, Seattle
4. The Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington (Burke, Grady)
5. Department of Bioengineering (Liu), University of Washington, Seattle