Links

• https://link.springer.com/article/10.1007%2FJHEP11%282019%29150

  Final published version

  Licence: CC BY: Creative Commons Attribution 4.0 International License

Text available via DOI:

• https://doi.org/10.1016/j.physletb.2019.135103

  Final published version

  Available under license: CC BY: Creative Commons Attribution 4.0 International License