- Forschungszentrum Juelich, Germany (Prof. D. Richter, Dr L. Willner, Dr H. Frielinghaus)
- University of Thessaly, School of Medicine (Assistant prof. Konstadinos Dimas, Prof. Nikos Sakellaridis)
- NCSR Demokritos, Institute of Physical Chemistry (Dr. Emmanuel Pitsinos)
- Helsinki University of Technology, Finland (Prof. O. Ikkala)
- University of Tennessee, USA (Prof. J. W. Mays, Prof. D. Baskaran)
- Oak Ridge National Laboratory, USA (Prof. J. W. Mays, Dr. Phil Britt, Dr. Urban Volker)
- University of Crete and Institute of Electronic Structure and Laser, Crete, Greece (Prof. S. Anastasiadis, Prof. D. Vlassopoulos)
- University of Ioannina, Greece (Prof. G. Floudas, Prof. C. Vlahos, Prof. A. Avgeropoulos)
- University of Massachussetts at Amherst, USA (Prof. S. Gido)
- University of California at Berkeley, USA (Prof. N. Balsara)
- University of Kyoto, Japan (Prof. H. Hasegawa)
- Tokyo Institute of Technology, Japan (Prof. A. Hirao)
