Carruthers, Nicholas I.; Chai, Wenying; Dax, Scott L.; Jablonowski, Jill A.; Li, Xiaobing; Lovenberg, Timothy W.; Murray, William V.; Rudolph, Dale A.; Seierstad, Mark; Youngman, Mark A. Patent: US2005/70534 A1, 2005 ; Location in patent: Page/Page column 13 ; US 20050070534 A1