Affiliation: | 1. Department of Pediatric Hematology‐Oncology, Meyer Children's Hospital, Rambam Health Care Campus, Haifa, Israel;2. Pathology Institute, Rambam Health Care Campus, Haifa, Israel;3. Division of Oncology, Rambam Health Care Campus, Haifa, Israel;4. Pathology Department, Carmel Medical Center, Haifa, Israel;5. Department of Otolaryngology, Head and Neck Surgery, Carmel Medical Center, Haifa, Israel |