The researchers of the Public Cord Blood Bank IDCBIS, Diana Maria Vanegas, Cristian Camilo Galindo, Lorena Xiomara Gonzalez Acero, Ivan Aurelio Paez, Bernardo Armando Camacho and Ana-Maria Perdomo Arciniegas presented at the 16th International Cord Blood Symposium held on June 14, 15 and 16 in Boston, United States the research work entitled: HLA-B, HLA-C Genotypes and Red Blood Cell Content in Umbilical Cord Blood Are Related to CD34+ Cell Viability after Thawing.