Editorial: To Know or Not to Know: causes and evolution of lack of awareness of cognitive decline in neurodegenerative diseases, volume II - Federica Cacciamani; Federica Cacciamani; Kristy A. Nielson; Kristy A. Nielson; Bernard J. Hanseeuw; Bernard J. Hanseeuw; Geoffroy P. Gagliardi; Geoffroy P. Gagliardi; Patrizia Vannini; Patrizia Vannini (Frontiers in Aging Neuroscience)