A. Jeremy Willsey, Thomas V. Fernandez, Dongmei Yu, Robert A. King, Andrea Dietrich, Jinchuan Xing, Stephan J. Sanders, Jeffrey D. Mandell, Alden Y. Huang, Petra Richer, Louw Smith, Shan Dong, Kaitlin E. Samocha, Tourette International Collaborative Genetics, Mohamed Abdulkadir, Julia Bohnenpoll, Yana Bromberg, Lawrence W. Brown, Keun-Ah Cheon, Barbara J. Coffey, Li Deng, Andrea Dietrich, Shan Dong, Lonneke Elzerman, Thomas V. Fernandez, Odette Fründt, Blanca Garcia-Delgar, Erika Gedvilaite, Donald L. Gilbert, Dorothy E. Grice, Julie Hagstrøm, Tammy Hedderly, Gary A. Heiman, Isobel Heyman, Pieter J. Hoekstra, Hyun Ju Hong, Chaim Huyser, Laura Ibanez-Gomez, Young Key Kim, Young-Shin Kim, Robert A. King, Yun-Joo Koh, Sodahm Kook, Samuel Kuperman, Andreas Lamerz, Bennett Leventhal, Andrea G. Ludolph, Claudia Lühr da Silva, Marcos Madruga-Garrido, Jeffrey D. Mandell, Athanasios Maras, Pablo Mir, Astrid Morer, Alexander Münchau, Tara L. Murphy, Cara Nasello, Thaïra J.C. Openneer, Kerstin J. Plessen, Petra Richer, Veit Roessner, Stephan Sanders, Eun-Young Shin, Deborah A. Sival, Louw Smith, Dong-Ho Song, Jungeun Song, Matthew W. State, Anne Marie Stolte, Nawei Sun, Jay A. Tischfield, Jennifer Tübing, Frank Visscher, Michael F. Walker, Sina Wanderer, Shuoguo Wang, A. Jeremy Willsey, Martin Woods, Jinchuan Xing, Yeting Zhang, Anbo Zhou, Samuel H. Zinner, Tourette Syndrome Association International Consortium for Genetics, Cathy L. Barr, James R. Batterson, Cheston Berlin, Ruth D. Bruun, Cathy L. Budman, Danielle C. Cath, Sylvain Chouinard, Giovanni Coppola, Nancy J. Cox, Sabrina Darrow, Lea K. Davis, Yves Dion, Nelson B. Freimer, Marco A. Grados, Matthew E. Hirschtritt, Alden Y. Huang, Cornelia Illmann, Roger Kurlan, James F. Leckman, Gholson J. Lyon, Irene A. Malaty, Carol A. Mathews, William M. MaMahon, Benjamin M. Neale, Michael S. Okun, Lisa Osiecki, David L. Pauls, Danielle Posthuma, Vasily Ramensky, Mary M. Robertson, Guy A. Rouleau, Paul Sandor, Jeremiah M. Scharf, Harvey S. Singer, Jan Smit, Jae-Hoon Sul, Dongmei Yu, Benjamin M. Neale, Giovanni Coppola, Carol A. Mathews, Jay A. Tischfield, Jeremiah M. Scharf, Matthew W. State, Gary A. Heiman