Extent, impact, and mitigation of batch effects in tumor biomarker studies using tissue microarrays oleh Konrad H Stopsack, Svitlana Tyekucheva, Molin Wang, Travis A Gerke, J Bailey Vaselkiv, Kathryn L Penney, Philip W Kantoff, Stephen P Finn, Michelangelo Fiorentino, Massimo Loda, Tamara L Lotan, Giovanni Parmigiani, Lorelei A Mucci