Affymetrix, 3380 Central Expressway, Santa Clara, CA 95051, USA. earl_hubbell@affymetrix.com|Affymetrix, 3380 Central Expressway, Santa Clara, CA 95051, USA. earl_hubbell@affymetrix.com|Affymetrix, 3380 Central Expressway, Santa Clara, CA 95051, USA. earl_hubbell@affymetrix.com