THE LANCER NEUROLOGY

• [Comment] Serum neurofilament light chain as a preclinical marker of neurodegeneration December 1, 2019 Lucilla Parnetti, Lorenzo Gaetani, Massimiliano Di Filippo
• [Comment] Challenges in disentangling the genetic background of Parkinson's disease December 1, 2019 Inke R König
• [Corrections] Correction to Lancet Neurol 2019; 18: 1071–72 December 1, 2019
• [Editorial] Essential medicines for patients with multiple sclerosis December 1, 2019 The Lancet Neurology
• [Articles] Serum neurofilament light chain in genetic frontotemporal dementia: a longitudinal, multicentre cohort study December 1, 2019 Emma L van der Ende, Lieke H Meeter, Jackie M Poos, Jessica L Panman, Lize C Jiskoot, Elise G P Dopper, Janne M Papma, Frank Jan de Jong, Inge M W Verberk, Charlotte Teunissen, Dimitris Rizopoulos, Carolin Heller, Rhian S Convery, Katrina M Moore, Martina Bocchetta, Mollie Neason, David M Cash, Barbara Borroni, Daniela Galimberti, Raquel Sanchez-Valle, Robert Laforce, Fermin Moreno, Matthis Synofzik, Caroline Graff, Mario Masellis, Maria Carmela Tartaglia, James B Rowe, Rik Vandenberghe, Elizabeth Finger, Fabrizio Tagliavini, Alexandre de Mendonça, Isabel Santana, Chris Butler, Simon Ducharme, Alex Gerhard, Adrian Danek, Johannes Levin, Markus Otto, Giovanni B Frisoni, Stefano Cappa, Yolande A L Pijnenburg, Jonathan D Rohrer, John C van Swieten, Genetic Frontotemporal dementia Initiative (GENFI)
• [Articles] Safety and efficacy of sphenopalatine ganglion stimulation for chronic cluster headache: a double-blind, randomised controlled trial December 1, 2019 Peter J Goadsby, Soma Sahai-Srivastava, Eric J Kezirian, Anne H Calhoun, David C Matthews, Peter J McAllister, Peter D Costantino, Deborah I Friedman, John R Zuniga, Laszlo L Mechtler, Saurin R Popat, Ali R Rezai, David W Dodick
• [Articles] Identification of novel risk loci, causal insights, and heritable risk for Parkinson's disease: a meta-analysis of genome-wide association studies December 1, 2019 Mike A Nalls, Cornelis Blauwendraat, Costanza L Vallerga, Karl Heilbron, Sara Bandres-Ciga, Diana Chang, Manuela Tan, Demis A Kia, Alastair J Noyce, Angli Xue, Jose Bras, Emily Young, Rainer von Coelln, Javier Simón-Sánchez, Claudia Schulte, Manu Sharma, Lynne Krohn, Lasse Pihlstrøm, Ari Siitonen, Hirotaka Iwaki, Hampton Leonard, Faraz Faghri, J Raphael Gibbs, Dena G Hernandez, Sonja W Scholz, Juan A Botia, Maria Martinez, Jean-Christophe Corvol, Suzanne Lesage, Joseph Jankovic, Lisa M Shulman, Margaret Sutherland, Pentti Tienari, Kari Majamaa, Mathias Toft, Ole A Andreassen, Tushar Bangale, Alexis Brice, Jian Yang, Ziv Gan-Or, Thomas Gasser, Peter Heutink, Joshua M Shulman, Nicholas W Wood, David A Hinds, John A Hardy, Huw R Morris, Jacob Gratten, Peter M Visscher, Robert R Graham, Andrew B Singleton, 23andMe Research Team, System Genomics of Parkinson's Disease Consortium, International Parkinson's Disease Genomics Consortium
• [In Context] Joanna Hellmuth December 1, 2019
• [In Context] Antiviral amantadine December 1, 2019 Taha Nisar, Harry Sutherland-Foggio, Walter Husar
• [Comment] New treatment options needed for chronic cluster headache December 1, 2019 Werner J Becker