While the principal author of decisions at hand schema is Blaz Zupan, quite a number of researchers and students where and are involved in its development. LogReg, a program that implements this schema on Palm handheld, was developed by Ales Porenta. Statistical foundations for implementations that include logistic regression were provided by Gaj Vidmar. Web-based decision support tools are being developed Xiaohuai Yang. Many ideas come out of discussions with Michael W. Kattan, Noriaki Aoki and J. Robert Beck.