Kofanova Olga A., Davis Kristine, Glazer Barbara, De Souza Yvonne, Kessler Joseph, Betsou Fotini, and for the ISBER Biospecimen Science Working Group. Viable Mononuclear Cell Stability Study for Implementation in a Proficiency Testing Program: Impact of Shipment Conditions. Biopreservation and Biobanking. June 2014, 12(3): 206-216. doi:10.1089/bio.2013.0090.