Population stratification may bias analysis of PGC-1α as a modifier of age at Huntington disease motor onset

Eliana Marisa Ramos; Jeanne C. Latourelle; Ji-Hyun Lee; Tammy Gillis; Jayalakshmi S. Mysore; Ferdinando Squitieri; Alba Di Pardo; Stefano Di Donato; Michael R. Hayden; Patrick J. Morrison; Martha Nance; Christopher A. Ross; Russell L. Margolis; Estrella Gomez-Tortosa; Carmen Ayuso; Oksana Suchowersky; Ronald J. Trent; Elizabeth McCusker; Andrea Novelletto; Marina Frontali; Randi Jones; Tetsuo Ashizawa; Samuel Frank; Marie-Helene Saint-Hilaire; Steven M. Hersch; Herminia D. Rosas; Diane Lucente; Madaline B. Harrison; Andrea Zanko; Karen Marder; James F. Gusella; Jong-Min Lee; Isabel Alonso; Jorge Sequeiros; Richard H. Myers; Marcy E. MacDonald