289. Occurrence of Methicillin-Resistant Staphylococcus aureus (MRSA) Surgical Site Infections (SSIs) of Total Knee and Total Hip Arthroplasty (TKA and THA) Procedures within Veterans Health Administration Medical Centers Stephen Kralovic, MD, MPH; Martin Evans, MD; Loretta Simbartl, MS; Judith Whitlock, RN, MSN, APRN; Marla Clifton, RN, MSN, CIC; Rajiv Jain, MD; Gary Roselle, MD; National Infe...

We present a new method for determining the Galactic gravitational potential based on forward modeling of tidal stellar streams. We use this method to test the performance of smooth and static analytic potentials in representing realistic dark matter halos, which have substructure and are continually evolving by accretion. Our FAST-FORWARD method uses a Markov Chain Monte Carlo algorithm to com...

We consider large-scale, network-based, resource allocation problems under uncertainty, with specific focus on the class of problems referred to as multi-commodity flow problems with time-windows. These problems are at the core of many network-based resource allocation problems. Inherent data uncertainty in the problem guarantees that deterministic optimal solutions are rarely, if ever, execute...

We consider a special class of large-scale, network-based, resource allocation problems under uncertainty, namely that of multi-commodity flows with time-windows under uncertainty. In this class, we focus on problems involving commodity pickup and delivery with time windows. Our work examines methods of proactive planning, that is, robust plan generation to protect against future uncertainty. B...

In this paper, we study the implications for business activity of a lack of balance sheet transparency in intermediaries. To do so, we adopt a model of intermediated entrepreneurial investment in which the assets held by intermediaries can be monitored only imperfectly. In our model, these assets matter, because intermediaries insure Þrms against the possibility of a liquidity shock. We show th...

objective(s): the aim of this study was to investigate the methylation status and mrna expression levels of p15, death-associated protein kinase (dapk), and suppressor of cytokine signaling-1 (socs1) genes in multiple myeloma (mm). materials and methods: the bone marrow samples of 54 mm patients were collected and the methylation status of the p15, dapk, and socs1 gene promoter regions was dete...

conclusions some results of the correlation coefficients are not the same with visualization. the reason may be due to the small number of data. materials and methods in the foundation-application study, we constructed two-way gene networks using nonparametric methods, such as spearman’s rank correlation coefficient and blomqvist’s measure, and compared them with pearson’s correlation coefficie...