By Cecilia M. Casadei, Karol Nass, Anton Barty, Mark S. Hunter1, Celestino Padeste, Ching-Ju Tsai, Sébastien Boutet, Marc Messerschmidt2, Leonardo Sala, Garth J. Williams, Dmitry Ozerov, Matthew Coleman3, Xiao-Dan Li, Matthias Frank4, Bill Pedrini
1. SLAC National Accelerator Laboratory 2. Arizona State University 3. Radiation Oncology, Cancer Center 4. Lawrence Livermore National Laboratory