Frey, L. J., Sward, K. A., Newth, C. J., Khemani, R. G., Cryer, M. E., Thelen, J. L., Enriquez, R., Shaoyu, S., Pollack, M. M., Harrison, R. E., Meert, K. L., Berg, R. A., Wessel, D. L., Shanley, T. P., Dalton, H., Carcillo, J., Jenkins, T. L., & Dean, J. M. (n.d.). virtualization of open-source secure web services to support data exchange in a pediatric critical care research network. Journal of the American Medical Informatics Association, 22, 1271–1276. http://access.bl.uk/ark:/81055/vdc_100117172221.0x000031