Mental health of individuals with pre-existing mental illnesses at the beginning of the COVID-19 pandemic: results of the German National Cohort (NAKO)

2024 . Stein, Janine | Pabst, Alexander | Berger, Klaus | Karch, André | Teismann, Henning | Streit, Fabian | Grabe, Hans J | Mikolajczyk, Rafael | Massag, Janka | Lieb, Wolfgang | Castell, Stefanie | Heise, Jana K | Schulze, Matthias B | Gastell, Sylvia | Harth, Volker | Obi, Nadia | Peters, Annette | Huemer, Marie-Theres | Bohmann, Patricia | Leitzmann, Michael | Schipf, Sabine | Meinke-Franze, Claudia | Hebestreit, Antje | Fuhr, Daniela | Michels, Karin B. | Jaskulski, Stefanie | Stocker, Hannah | Koch-Gallenkamp, Lena | Willich, Stefan N. | Keil, Thomas | Löffler, Markus | Wirkner, Kerstin | Riedel-Heller, Steffi G.