Theme 06 - Tissue Biomarkers. - Wachinger, A.; Fuetterer, C.; Kessler, T.; Freigang, M.; Quinten, A.; Leinert, A.; Brakemeier, S.; Hobbiebrunken, E.; Hagenacker, T.; Petri, S.; Koch, J.; Hahn, A.; et al. (Amyotrophic Lateral Sclerosis & Frontotemporal Degeneration, 2023)