To introduce the articles featured in a special issue and summarize key contributions.
Editorial overview of the special feature
Inclusion of highlights from panel discussions
Presentation of specific contributions by authors
Summarization of key discussions
Highlighting major contributions from Dirk Jongkind
Overview of the themes addressed in the feature
Abstract
Abstract An introduction to the articles in the special feature including a short summary of Dirk Jongkind's contribution to the original panel discussion, which is not included here.