Institution: | (1) Department of Cell Biology, University of Jyväskylä, SF-40100 Jyväskylä, (Finland);(2) Department of Sport Science, Deaconess Institute of Oulu, SF-90100 Oulu, (Finland);(3) Present address: Department of Clinical Sciences, University of Tampere, P.O. Box 607, SF-33101 Tampere |