Robert F Wimmer-Schweingruber¹, Jia Yu², Zigong Xu³, Shenyi Zhang⁴, Donhui Hou⁴, Jingnan Guo², Johan Lauritz Freiherr von Forstner², Henning Lohf², Stephan I Boettcher¹, Soenke Burmeister⁵, Daniel Matthiae⁶, Thomas Berger⁷ and Christine Hellweg⁸, (1)University of Kiel, Institute for Experimental and Applied Physics, Kiel, Germany, (2)University of Kiel, Kiel, Germany, (3)University of Kiel, Institute of Experimental and Applied Physics, Kiel, Germany, (4)NSSC National Space Science Center, CAS, Beijing, China, (5)Christian-Albrechts-Universität zu Kiel, Institute for Experimental and Applied Physics, Kiel, Germany, (6)DLR, Cologne, Germany, (7)German Aerospace Center DLR Cologne, Institute for Flight Medicine, Cologne, Germany, (8)German Aerospace Center DLR Cologne, Institute of Aerospace Medicine, Radiation Biology Department, Cologne, Germany