A method for installing an interior structure for a mobile platform is provided. The body has a top portion, a bottom portion, and a rear portion. The present invention further provides methods to identify andor enrich for populations of ovarian cancer stem cells and populations of somatic ovarian stem cells, in particular, enrichment for populations of coelomic somatic ovarian stem cells, subcoelomicstromal somatic ovarian stem cells and periphilar medullary somatic ovarian stem cells.