Acknowledgements
We would like to thank the Editoral Board of Acta Borealia, especially Bryan Hood and Marit Pedersen, for the opportunity to publish this theme issue in the journal. We also wish to express our gratitude to the numerous, skilled reviewers of the published articles. The authors of this issue, however, deserve the greatest kudos – thank you for your effort of excellence!
Disclosure statement
No potential conflict of interest was reported by the author(s).