1. Department of Anatomy and Cell Biology (T.J.A., P.L.H.) University of Turku, Institute of Biomedicine, 20520 Turku, Finland
2. Medicity Research Laboratory (T.J.A., P.L.H.) University of Turku, Institute of Biomedicine, 20520 Turku, Finland
3. United States Military Cancer Institute (H.R., M.T.N.), Uniformed Services University of Health Sciences, Bethesda, Maryland 20814
4. Department of Pathology (H.R., M.T.N.), Uniformed Services University of Health Sciences, Bethesda, Maryland 20814