Rahe, Corinna; Baune, Bernhard Th.; Baune, Bernhard Theodor; Unrath, Michael; Unrath, Michael Wolfgang; Arolt, Volker; Arolt, V.; Wellmann, Jürgen; Wersching, Heike; Wersching, Heike Brunhild; Berger, Klaus: Associations between depression subtypes depression severity and diet quality: cross-sectional findings from the BiDirect Study