1 Correction to: Calc. Var. (2019) 58:142 https://doi.org/10.1007/s00526-019-1557-5

Unfortunately, the affiliation “Max Planck Institute for Mathematics in the Sciences” has not been added to the corresponding author Dr. Miaomiao Zhu in the author group. Now, the affiliation is included and the correct author group is given below.