AUTHOR=Hildt Elisabeth TITLE=Multi-Person Brain-To-Brain Interfaces: Ethical Issues JOURNAL=Frontiers in Neuroscience VOLUME=13 YEAR=2019 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2019.01177 DOI=10.3389/fnins.2019.01177 ISSN=1662-453X