Blood bank services; testing and analysis of umbilical cord tissue with respect to the viability and proliferation of stem cells contained in the umbilical cord tissue for diagnostic or treatment purposes; isolation of stem cells, in particular stem cells of the amniotic membrane of umbilical cord, for treatment purposes; testing and analysis of stem cells, in particular stem cells of the amniotic membrane of umbilical cord, with respect to the expression of stem cell biomarkers for diagnosti...