Amerindian Ancestry Influences Genetic Susceptibility to Chronic Obstructive Pulmonary Disease - Díaz-Peña, Roberto (Instituto de Investigación Sanitaria de Santiago (IDIS)) ; Boekstegers, Felix (Statistical Genetics Group, Institute of Medical Biometry and Informatics, University of Heidelberg) ; Silva, Rafael S. (Unidad Respiratorio, Centro de Diagnóstico Terapéutico, Hospital Regional de Talca) ; Jaime, Sergio (Unidad Respiratorio, Centro de Diagnóstico Terapéutico, Hospital Regional de Talca) ; Hosgood, H. Dean (Department of Epidemiology and Population Health, Albert Einstein College of Medicine) ; Miravitlles, Marc (Hospital Universitari Vall d'Hebron) ; Agustí, Àlvar (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Lorenzo Bermejo, Justo (Statistical Genetics Group, Institute of Medical Biometry and Informatics, University of Heidelberg) ; Olloquequi, Jordi (Universidad Autónoma de Chile. Instituto de Ciencias Biomédicas) ; Universitat Autònoma de Barcelona