tokens: The research leading to these results has received funding from the European Research Council under the European Union’s Seventh Framework Program (FP/2007–2013)/ERC grant Agreement No. 279954. C.M. would like to thank Antonio J. Cuesta, Bruce A. Bassett, Jarah Evslin, and Hendrik Hildebrandt for their helpful comments, and to acknowledge the support from the joint research training program of CAS and CNRS. We gratefully acknowledge the anonymous reviewers for their commentary that helped improve this paper. Software: CAMB 12 12 http://camb.info/ (Lewis et al. 2000 ; Lewis et al. 2017 ), matplotlib (Hunter 2007 ; Droettboom et al. 2018 ), statsmodels (Seabold et al. 2017 ), NumPy (Walt et al. 2011 ), and SciPy (Jones et al. 2001 ).
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