Corrigendum to "Functional cortical source connectivity of resting state electroencephalographic alpha rhythms shows similar abnormalities in patients with mild cognitive impairment due to Alzheimer's and Parkinson's diseases" [Clin. Neurophysiol. 129 (2018) 766–782]. Issue 6 (June 2019) - Babiloni, Claudio; Percio, Claudio Del; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Soricelli, Andrea; Ferri, Raffaele; Pascarelli, Maria Teresa; Catania, Valentina; Nobili, Flavio; Arnaldi, Dario; Famà, Francesco; et al.