[1] Univ Autonoma Chile, Inst Ciencias Biomed, Fac Ciencias Salud, Lab Cellular & Mol Pathol, Talca, Chile
[2] Hlth Res Inst Santiago IDIS, Translat Med Oncol Oncomet, Liquid Biopsy Anal Unit, Santiago De Compostela 15706, Spain
[3] Hosp Reg Talca, Ctr Diagnost Terapeut, Unidad Resp, Talca, Chile
[4] Albert Einstein Coll Med, Dept Epidemiol & Populat Hlth, Bronx, NY 10467 USA
[5] Univ Barcelona, Resp Inst, Hosp Clin, Inst Invest Biomed August Pi & Sunyer IDIBAPS,CIB, Barcelona, Spain