The Action contains at least four Work Groups, with research plans outlined in Section D.2. In the course of the Action up to two additional Work Groups can be introduced if needed, according to the interest of current and newly included Action members.

The responsibilities of each Work Group coordinator include

  1. the organization of the technical program at the yearly meeting
  2. monitoring the progress of the research plan
  3. final preparation of relevant sections for yearly and final Action reports.