â  ba ckground the only curative therapy for end-stage liver disease is transplantation but due to a shortage of available donor livers the waiting list mortality is high. this study aimed to evaluate the outcome and characteristics of patients on the waiting list for liver transplantation in shiraz, southern iran during the period from april 2004 to march 2007. methods medical records of all c...

Blockchain, as proposed in Bitcoin, focuses on securing financial transactions. However, recent years, the use of blockchain has expanded to a wide range networks and application domains. This includes time-sensitive applications which need transactions be processed fast enough meet delay requirements. Reducing transaction waiting time mining process is key successful adoption such applications...

over the two last decades, distribution companies have been aware of the importance of paying attention to the all aspects of a distribution system simultaneously to be successful in the global market. these aspects are the economic, the environmental, the social and the safety aspects. in the vehicle routing problem (vrp) literature, the economic issue has often been used, while the environmen...