<ol> <li>How to approach a patient with Parkinsonism- red flags for atypical parkinsonism</li> <p>Eoin Mulroy, Maria Stamelou, and Kailash P. Bhatia</p> <p>Part 1: The ‘classic’ atypical parkinsonian disorders</p> <p> <li>Classification of atypical Parkinsonism per pathology versus phenotype</li> <p>Gesine Respondek, Maria Stamelou, and Günter Höglinger</p> <p> <li>Progressive supranuclear palsy</li> <p>Nikolaos Giagkou,Günter Höglinger, and Maria Stamelou</p> <p> <li>Corticobasal degeneration</li> <p>Gerard Saranza, Jennifer Whitwell, Gabor Kovacs, and Anthony Lang</p> <p> <li>Multiple system atrophy in Parkinsonism beyond Parkinson’s disease</li> <p>Alessandra Fanciulli, Iva Stankovic, Florian Krismer, Klaus Seppi, Johannes Levin, and Gregor K. Wenning</p> <p>Part 2: Atypical parkinsonism in other sporadic and genetic neurodegenerative diseases</p> <p> <li>‘Atypical’ Parkinson’s disease - sporadic</li> <p>Kirsten E. Zeuner and Daniela Berg</p> <p> <li>Genetic ‘atypical’ Parkinson’s disease</li> <p>Anne Weißbach, Christina Wittke, Meike Kasten, and Christine Klein</p> <p> <li>Atypical Parkinsonism in other sporadic and genetic neurodegenerative diseases Alzheimer disease (sporadic and genetic) Alzheimer disease (sporadic and genetic) </li> <p>Johannes Levin </p> <p> <li>Parkinsonism in frontotemporal dementias</li> <p>James B. Rowe </p> <p> <li>Parkinsonism in neurodegenerative diseases predominantly presenting with ataxia</li> <p>Matthis Synofzik</p> <p> <li>Parkinsonian signs in Huntington's disease – impact on diagnosis and management</li> <p>Ralf Reilmann</p> <p> <li>Parkinsonism in diseases predominantly presenting with Dystonia</li> <p>Alessio Di Fonzo, Giulia Franco, Paolo Barone, and Roberto Erro</p> <p> <li>Genetic mimics of the non-genetic atypical parkinsonian disorders-the ‘atypical’ atypical </li> <p>Nikolaos Giagkou, Kailash P. Bhatia, Gunter Höglinger, and Maria Stamelou</p> <p>Part 3: Secondary parkinsonism</p> <p> <li>Parkinsonism in neurometabolic diseases</li> <p>Miryam Carecchio</p> <p> <li>Secondary parkinsonism due to drugs, vascular lesions, tumors, trauma, and other insults</li> <p>Matthias Höllerhage</p> <p> <li>Parkinsonism in autoimmune diseases</li> </ol> <p>Chrysanthi Barba and Haris Alexopoulos</p>