ner_tags: O O B-Person I-Person O B-Person I-Person O O O O O B-Software I-Software O O B-Organization O O B-Event I-Event I-Event I-Event O O O O O O O O O O O O O O O B-Organization I-Organization O O O O O O B-Organization I-Organization I-Organization I-Organization O O O O O O B-Grant I-Grant O B-Location O O O B-Grant O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O O O B-Grant B-Grant O O O B-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant I-Grant O B-Grant O O B-Organization I-Organization I-Organization I-Organization B-Person O O O O B-Fellowship I-Fellowship I-Fellowship O O O B-Organization I-Organization O O B-Organization I-Organization O O O O O O O O O B-ComputingFacility I-ComputingFacility I-ComputingFacility I-ComputingFacility I-ComputingFacility O B-Organization I-Organization I-Organization
tokens: We thank Woong-tae Kim and Yonghwi Kim for helping us understand the Athena code. Hospitality at APCTP during the 7th Korean Astrophysics Workshop is also kindly acknowledged. The research presented here was funded by a grant from the Max-Planck Society under the cooperation agreement with the Chinese Academy of Sciences and was additionally supported by the 973 Program of China under grant no. 2014CB845700, by the National Natural Science Foundation of China under grant nos. 11333003, 11322326, and by the Strategic Priority Research Program “The Emergence of Cosmological Structures” (no. XDB09000000) of the Chinese Academy of Sciences. J.S. acknowledges support from an Newton Advanced Fellowship awarded by the Royal Society and the Newton Fund. This work made use of the facilities of the Center for High Performance Computing at Shanghai Astronomical Observatory.