1. M. A.S Alzheimerhilfe, Bad Ischl, Austria
2. Department of Clinical Medicine and Preventive Medicine, Danube University Krems, Austria
3. Psychological and Psychotherapeutic outpatient Clinic and Department of Psychosocial Rehabilitation, Geriatrics Centre Wienerwald, Vienna, Austria
4. Institute for Aging Research, Sigmund Freud Private University, Vienna, Austria