1 Correction to: Mathematische Zeitschrift (2019) 293:1489–1511 https://doi.org/10.1007/s00209-019-02296-8

This is to acknowledge that the main results of the article [3] were first proved in a joint preprint with Xiaodong Cao [1]. Also, Corollary 1.2 had appeared earlier in [2, Theorem 1.1], which was proved there with “an adaptation of arguments in [1],” among others.