P4‐055: DECREASED SERUM LEPTIN IN PATIENTS WITH MILD COGNITIVE IMPAIRMENT. (1st July 2014) - Graunke, Anders; Köbe, Theresa; Schnelle, Ariane; Kerti, Lucia; Schuchardt, Jan Philipp; Hahn, Andreas; Tesky, Valentina Antonia; Pantel, Johannes; Flöel, Agnes; Witte, Veronica