Perneczky, Robert [P:(DE-2719)2812234] ; Hansen, Niels ; Hofmann, Anna [P:(DE-2719)2814244] ; Laske, Christoph [P:(DE-2719)2000055] ; Priller, Josef [P:(DE-2719)2811122] ; Grimmer, Timo ; Frölich, Lutz ; Düzel, Emrah [P:(DE-2719)2000005] ; Jessen, Frank [P:(DE-2719)2000032] ; Wiltfang, Jens [P:(DE-2719)2811317] ; Group, German Network Memory Clinics- Diagnostic Tools Working