Siemens Corporate Research, 755 College Road East, Princeton, NJ, USA. lance.palmer@siemens.com|Siemens Corporate Research, 755 College Road East, Princeton, NJ, USA. lance.palmer@siemens.com|Siemens Corporate Research, 755 College Road East, Princeton, NJ, USA. lance.palmer@siemens.com|Siemens Corporate Research, 755 College Road East, Princeton, NJ, USA. lance.palmer@siemens.com