Funding for this research was provided by:
Japan Society for the Promotion of Science (JP23226004, JP16H06358, JP17H01073, JP16J009530, JP23226004, JP16H06358)
JSPS Core-to-Core Program on International Alliance for Material Science in Extreme States with High Power Laser and XFEL
Received: 27 July 2018
Accepted: 6 November 2018
First Online: 28 November 2018
: The authors declare no competing interests.