[1] Patent: US2007/244159, 2007, A1. Location in patent: Page/Page column 77
[2] Patent: US2009/221597, 2009, A1. Location in patent: Page/Page column 29
[3] Patent: US2009/253736, 2009, A1. Location in patent: Page/Page column 21-22
[4] Patent: US2009/246137, 2009, A1. Location in patent: Page/Page column 32
[5] Patent: WO2010/53471, 2010, A1. Location in patent: Page/Page column 45-46