- Anna Maria Aloisi, Siena, Italy
- Fabrizio Benedetti, Torino, Italy
- Giancarlo Carli, Siena, Italy
- Maria Adele Giamberardino, Chieti, Italy
- Peter Goadsby, London, UK
- Anita Holdcroft, London, UK
- Rafael Maldonado, Barcelona, Spain
- Michel Pohl, Paris, France
- Carlo Porro, Udine, Italy
- Paolo Procacci, Florence, Italy
- Peter Reeh, Erlangen, Germany
- Claudia Sommer, Würzburg, Germany
- Johan Vlaeyen, Maastricht, The Netherlands
- Jolanta Zawilska, Lodz, Poland
- Manfred Zimmermann, Heidelberg, Germany