A multi-center study of neurofilament assay reliability and inter-laboratory variability by Gray, E, Oeckl, P, Amador, MDM, Andreasson, U, An, J, Blennow, K, Bowser, R, De Schaepdryver, M, Heslegrave, A, Kuhle, J, Maceski, A, Koel-Simmelink, M, Lamari, F, Lombardi, V, Malaspina, A, Nilsson, I, Poesen, K, Salachas, F, Steinacker, P, Teunissen, CE, Van Damme, P, Zetterberg, H, Ludolph, A, Jeromin, A, Turner, MR, Otto, M

Chitotriosidase as biomarker for early stage amyotrophic lateral sclerosis: a multicenter study by Steinacker, P, Feneberg, E, Halbgebauer, S, Witzel, S, Verde, F, Oeckl, P, Van Damme, P, Gaur, N, Gray, E, Grosskreutz, J, Jardel, CG, Kachanov, M, Kuhle, J, Lamari, F, Maceski, A, del Mar Amador, M, Mayer, B, Morelli, C, Petri, S, Poesen, K, Raaphorst, J, Salachas, F, Silani, V, Turner, M, Verbeek, MM, Volk, AE, Weishaupt, JH, Weydt, P, Ludolph, AC, Otto, M