Affiliation: | 1. Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, University of Lausanne, Lausanne, Switzerland;2. Unit of Cytopathology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland;3. Unit of Pediatric Hematology-Oncology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland |