Anna M Mulligan, Fergus J Couch, Daniel Barrowdale, Susan M Domchek, Diana Eccles, Heli Nevanlinna, Susan J Ramus, Mark Robson, Mark Sherman, Amanda B Spurdle, Barbara Wappenschmidt, Andrew Lee, Lesley McGuffog, Sue Healey, Olga M Sinilnikova, Ramunas Janavicius, Thomas vO Hansen, Finn C Nielsen, Bent Ejlertsen, Ana Osorio, Iván Muñoz-Repeto, Mercedes Durán, Javier Godino, Maroulio Pertesi, Javier Benítez, Paolo Peterlongo, Siranoush Manoukian, Bernard Peissel, Daniela Zaffaroni, Elisa Cattaneo, Bernardo Bonanni, Alessandra Viel, Barbara Pasini, Laura Papi, Laura Ottini, Antonella Savarese, Loris Bernard, Paolo Radice, Ute Hamann, Martijn Verheus, Hanne EJ Meijers-Heijboer, Juul Wijnen, Encarna B Gómez García, Marcel R Nelen, C Marleen Kets, Caroline Seynaeve, Madeleine MA Tilanus-Linthorst, Rob B van der Luijt, Theo Os, Matti Rookus, Debra Frost, J Louise Jones, D Gareth Evans, Fiona Lalloo, Ros Eeles, Louise Izatt, Julian Adlard, Rosemarie Davidson, Jackie Cook, Alan Donaldson, Huw Dorkins, Helen Gregory, Jacqueline Eason, Catherine Houghton, Julian Barwell, Lucy E Side, Emma McCann, Alex Murray, Susan Peock, Andrew K Godwin, Rita K Schmutzler, Kerstin Rhiem, Christoph Engel, Alfons Meindl, Ina Ruehl, Norbert Arnold, Dieter Niederacher, Christian Sutter, Helmut Deissler, Dorothea Gadzicki, Karin Kast, Sabine Preisler-Adams, Raymonda Varon-Mateeva, Ines Schoenbuchner, Britta Fiebig, Wolfram Heinritz, Dieter Schäfer, Heidrun Gevensleben, Virginie Caux-Moncoutier, Marion Fassy-Colcombet, François Cornelis, Sylvie Mazoyer, Mélanie Léoné, Nadia Boutry-Kryza, Agnès Hardouin, Pascaline Berthet, Danièle Muller, Jean-Pierre Fricker, Isabelle Mortemousque, Pascal Pujol, Isabelle Coupier, Marine Lebrun, Caroline Kientz, Michel Longy, Nicolas Sevenet, Dominique Stoppa-Lyonnet, Claudine Isaacs, Trinidad Caldes, Miguel de la Hoya, Tuomas Heikkinen, Kristiina Aittomäki, Ignacio Blanco, Conxi Lazaro, Rosa B Barkardottir, Penny Soucy, Martine Dumont, Jacques Simard, Marco Montagna, Silvia Tognazzo, Emma D'Andrea, Stephen Fox, Max Yan, Tim Rebbeck, Olufunmilayo I Olopade, Jeffrey N Weitzel, Henry T Lynch, Patricia A Ganz, Gail E Tomlinson, Xianshu Wang, Zachary Fredericksen, Vernon S Pankratz, Noralane M Lindor, Csilla Szabo, Kenneth Offit, Rita Sakr, Mia Gaudet, Jasmine Bhatia, Noah Kauff, Christian F Singer, Muy-Kheng Tea, Daphne Gschwantler-Kaulich, Anneliese Fink-Retter, Phuong L Mai, Mark H Greene, Evgeny Imyanitov, Frances P O'Malley, Hilmi Ozcelik, Gordon Glendon, Amanda E Toland, Anne-Marie Gerdes, Mads Thomassen, Torben A Kruse, Uffe B Jensen, Anne-Bine Skytte, Maria A Caligo, Maria Soller, Karin Henriksson, von Anna Wachenfeldt, Brita Arver, Marie Stenmark-Askmalm, Per Karlsson, Yuan C Ding, Susan L Neuhausen, Mary Beattie, Paul DP Pharoah, Kirsten B Moysich, Katherine L Nathanson, Beth Y Karlan, Jenny Gross, Esther M John, Mary B Daly, Saundra M Buys, Melissa C Southey, John L Hopper, Mary B Terry, Wendy Chung, Alexander F Miron, David Goldgar, Georgia Chenevix-Trench, Douglas F Easton, Irene L Andrulis, Antonis C Antoniou^*, Breast Cancer Family Registry, EMBRACE, GEMO Study Collaborators, HEBON, kConFab Investigators, Ontario Cancer Genetics Network, SWE-BRCA and CIMBA