1 Eye Center, Medical Center - University of Freiburg, Freiburg, Germany. Electronic address: kristina.schoelles@uniklinik-freiburg.de.
2 Eye Center, Medical Center - University of Freiburg, Freiburg, Germany.
3 Institute for Surgical Pathology, Medical Center - University of Freiburg, Freiburg, Germany.
4 Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany; Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany; KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany.
5 Clinic for Oral and Maxillofacial Surgery, Medical Center - University of Freiburg, Freiburg, Germany.