Where extended reality and AI may take us: Ethical issues of impersonation and AI fakes in social virtual reality - Ramon Oliva; Michael Wiesing; Jaime Gallego; Masahiko Inami; Victoria Interrante; Anatole Lécuyer; Rachel McDonnell; Florian Nouviale; Xueni Pan; Frank Steinicke; Mel Slater (PLoS ONE, 2026)