STATEMENT OF GOVERNMENT SUPPORT
 This invention was made with US government support under the US Department of Energy, Office of Science, Basic Energy Sciences contract number DE-FG02-07ER46352 and the US Department of Energy grant number DE-AC02-05CH11231. The US government may have certain rights in the invention. This invention was also made with Japan government support by the Development of Systems and Technology for Advanced Measurement and Analysis program under Japan Science and Technology Agency. The Japan Synchrotron Radiation Research Institute and Gunma University may have certain rights in the invention.