Department of Environmental and Biological Sciences;
University of Eastern Finland;
PO Box 1627;
FI-70211 Kuopio;
Finland;
VTT Ltd;
PO Box 1300;
FI-33100 Tampere;
Finland;
Microbiology Unit;
Belgian Nuclear Research Centre;
B-2400 Mol;
Belgium;
Institut de Medecine et de Physiologie Spatiales;
BP 74404;
F-31405 Toulouse Cedex;
France;
Institute of Bio-Medical Problems;
76-A;
Khorosheu Skoye shosse;
RU-123007 Moscow;
Russia;
Institute of Biophysics SB RAS;
Akademgorodok;
Krasnoyarsk RU-660036;
Russia;