AUTHOR= Frontiers Production Office TITLE=Erratum: Melanoma Unknown Primary Brain Metastasis Treatment With ECHO-7 Oncolytic Virus Rigvir: A Case Report JOURNAL=Frontiers in Oncology VOLUME=8 YEAR=2018 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2018.00172 DOI=10.3389/fonc.2018.00172 ISSN=2234-943X