1. Alexopoulos GS, Abrams RC, Young RC, Shamoian CA (1988) Cornell scale for depression in dementia. Biol Psychiatry 23:271–284
2. Arevalo-Rodriguez I, Smailagic N, Roqué I Figuls M, Ciapponi A, Sanchez-Perez E, Giannakou A, Pedraza OL, Bonfill Cosp X, Cullum S (2015) Mini-Mental State Examination (MMSE) for the detection of Alzheimer’s disease and other dementias in people with mild cognitive impairment (MCI). Cochrane Database Syst Rev 3:CD010783
3. Bucci W (1982) The vocalization of painful affect. J Commun Disord 15:415–440
4. Bullinger M, Kirchberger I (1998) SF-36 Fragebogen zum Gesundheitszustand. Handanweisung. Hogrefe, Göttingen
5. Carpenter BD (2004) Quantitative and qualitative aspects of sentence from the mini-mental state examination: personal disclosure in an unexpected place. J Ment Health Aging 10:195–207