tokens: This work was supported by a Postdoctoral Fellowship from Mahidol University, Basic Research Grant BRG5880009 from the Thailand Research Fund, the US National Science Foundation Solar Terrestrial program grant AGS-1063439, and NASA grants NNX14AI63G (Heliospheric Grand Challenge Research) and NNX15AB88G (Living with a Star Program). A.P.S. would like to thank Korn Pattanaseri for assistance with computer simulations.
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