1. From the Laboratory Cell Adherence and Survival in Cancers and Grafts EA 3063, Universite´ Jean Monnet, Saint Etienne, France;
2. Center of MicroNanoTechnology, Ecole Polytechnique Fe´de´rale de Lausanne, Lausanne, Switzerland;
3. Laboratory of Signal Treatment and Instrumentation, Universite´ Jean Monnet, Saint-Etienne, France; and
4. From the Laboratory Cell Adherence and Survival in Cancers and Grafts EA 3063, Universite´ Jean Monnet, Saint Etienne, France;5French Blood Center/Eye Bank of Saint Etienne, Saint Etienne, France.