1. University of California, Beckman Laser Institute and Medical Clinic, Irvine, California, United States
2. University of California, Chao Family Comprehensive Cancer Center, Orange, California, United States
3. University of California, Beckman Laser Institute and Medical Clinic, Irvine, California, United StatescLinköping University, Department of Biomedical Engineering, Linköping, Sweden
4. University of Pennsylvania, Department of Physics and Astronomy, Philadelphia, Pennsylvania, United States