Affymetrix Inc., Santa Clara, CA 95051, USA. srinka_ghosh@affymetrix.com|Affymetrix Inc., Santa Clara, CA 95051, USA. srinka_ghosh@affymetrix.com|Affymetrix Inc., Santa Clara, CA 95051, USA. srinka_ghosh@affymetrix.com|Affymetrix Inc., Santa Clara, CA 95051, USA. srinka_ghosh@affymetrix.com|Affymetrix Inc., Santa Clara, CA 95051, USA. srinka_ghosh@affymetrix.com