Chromosome 9 ALS and FTD locus is probably derived from a single founder.
Neurobiology Of Aging
Mok, Kin K; Traynor, Bryan J BJ; Schymick, Jennifer J; Tienari, Pentti J PJ; Laaksovirta, Hannu H; Peuralinna, Terhi T; Myllykangas, Liisa L; Chiò, Adriano A; Shatunov, Aleksey A; Boeve, Bradley F BF; Boxer, Adam L AL; DeJesus-Hernandez, Mariely M; Mackenzie, Ian R IR; Waite, Adrian A; Williams, Nigel N; Morris, Huw R HR; Simón-Sánchez, Javier J; van Swieten, John C JC; Heutink, Peter P; Restagno, Gabriella G; Mora, Gabriele G; Morrison, Karen E KE; Shaw, Pamela J PJ; Rollinson, Pamela Sara PS; Al-Chalabi, Ammar A; Rademakers, Rosa R; Pickering-Brown, Stuart S; Orrell, Richard W RW; Nalls, Michael A MA; Hardy, John J