[1] University of British Columbia,Kinsmen Laboratory of Neurological Research
[2] Université de Lausanne,Laboratoire de Physique de la Matière Vivante, Ecole Polytechnique Fédérale de Lausanne, Switzerland and Département de Biologie Cellulaire et de Morphologie
[3] Lausanne University Hospital,Department of Experimental Surgery
[4] U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID),Pathology Laboratory