Anna Iben Hollensberg (MD; head of EDTA clinic, 8850 Bjerringbro).
Birthe Holt (biodynamic gardener and co-worker at Hertha Housing Communities and Workshops for disabled persons, 8464 Galten).
Per Clauson-Kaas (co-worker at Hertha Housing Communities and Workshops for disabled persons, 8464 Galten).
Klaus Loehr-Petersen (project coordinator at the Danish Biodynamic Association, 8200 Aarhus N).
Jens-Otto Andersen (research coordinator of the association, 8464 Galten).
Marianne Jung Christensen (observer on behalf on the Biodynamic Association, 8200 Aarhus N).