Elbaz, Alexis, Ross, Owen A, Destée, Alain, Ferrarese, Carlo, Ferraris, Alessandro, Gibson, J Mark, Gispert, Suzana, Hadjigeorgiou, Georgios M, Jasinska-Myga, Barbara, Klein, Christine, Krüger, Rejko, Lambert, Jean-Charles, Ioannidis, John P A, Lohmann, Katja, van de Loo, Simone, Loriot, Marie-Anne, Lynch, Timothy, Mellick, George D, Mutez, Eugénie, Nilsson, Christer, Opala, Grzegorz, Puschmann, Andreas, Quattrone, Aldo, Soto-Ortolaza, Alexandra I, Sharma, Manu, Silburn, Peter A, Stefanis, Leonidas, Uitti, Ryan J, Valente, Enza Maria, Vilariño-Güell, Carles, Wirdefeldt, Karin, Wszolek, Zbigniew K, Xiromerisiou, Georgia, Maraganore, Demetrius M, Moisan, Frédéric, Farrer, Matthew J, Disease, Genetic Epidemiology of Parkinson's, Amouyel, Philippe, Tzourio, Christophe, Mulot, Claire, Bacon, Justin A, Cobb, Stephanie A, Sutherland, Greg T, Siebert, Gerhard A, Dissanayaka, Nadeeka, Aasly, Jan, O'Sullivan, John D, Boyle, Richard S, Pasquier, Florence, Bordet, Régis, Legendre, Jean-Philippe, Auburger, Georg, Hilker, Rüdiger, Abahuni, Nadine, Geisen, Christof, Winkler, Susen, Annesi, Grazia, Gasser, Thomas, Riess, Olaf, Berg, Daniela, Schulte, Claudia, Vassilatis, Demitris, Stamboulis, Eleftherios, Dardiotis, Efthimios, Patramani, Ioanna, Kountra, Persa-Maria, Vogiatzi, Christina, Bozi, Maria, Markou, Katerina, Tarantino, Patrizia, Annesi, Ferdinanda, Bentivoglio, Anna Rita, Guidubaldi, Arianna, Caccialupi, Matilde, De Nigris, Francesca, Riva, Chiara, Pedersen, Nancy L, Nilsson, Karin, Brighina, Laura, Reimer, Jan, Van Gerpen, Jay, Lash, Jennifer, Searcy, Jill, Strongosky, Audrey, Chartier-Harlin, Marie-Christine, Elbaz, A, Ross, O, Ioannidis, J, Soto Ortolaza, A, Moisan, F, Aasly, J, Annesi, G, Bozi, M, Brighina, L, Chartier Harlin, M, Destée, A, Ferrarese, C, Ferraris, A, Gibson, J, Gispert, S, Hadjigeorgiou, G, Jasinska Myga, B, Klein, C, Krüger, R, Lambert, J, Lohmann, K, van de Loo, S, Loriot, M, Lynch, T, Mellick, G, Mutez, E, Nilsson, C, Opala, G, Puschmann, A, Quattrone, A, Sharma, M, Silburn, P, Stefanis, L, Uitti, R, Valente, E, Vilariño Güell, C, Wirdefeldt, K, Wszolek, Z, Xiromerisiou, G, Maraganore, D, and Farrer, M