This material is based upon work partly supported by the U.S. Department of Energy , Office of Science, USA , Office of Nuclear Physics, USA , under contract number DE-AC02-05CH11231 , contract number DE-AC03-76SF00098 , contract number DE-FG0201ER41195 , as well as within the framework of the Beam Energy Scan Theory (BEST) Topical Collaboration. The work is also supported in part by MOST of China 973-project No. 2015CB856900 and NSFC, China Grant No. 11735007 , by Ito Science Foundation (2017), Japan and JSPS, Japan KAKENHI Grant No. 25105504 and No. 19H05598 , as well as by the U.S. National Science Foundation Grant No. PHY-1913729 . AB also acknowledges partial support by the Polish Ministry of Science and Higher Education and the National Science Centre, Poland Grant No. 2018/30/Q/ST2/00101 . JL also acknowledges hospitality during sabbatical visits at CCNU and SCNU where part of this work was completed. The authors thank Dmitri Kharzeev, Swagato Mukherjee, Shuzhe Shi and Paul Sorensen for useful discussions and communications.