background: migraine and other recurrent headaches are considered a major public health concern. levetiracetam, a broad spectrum anti-epileptic have been used in migraine prophylaxis. objectives: assessment the efficacy of levetiracetam on migraine in comparison to sodium valproate. materials and methods: this randomized double blind clinical trial was performed on patients with migraine headac...

Recently, underwater Wireless Sensor Networks (UWSNs) attracted the interest of many researchers and the past three decades have held the rapid progress of underwater acoustic communication. One of the major problems in UWSNs is how to transfer data from the mobile node to the base stations and choosing the optimized route for data transmission. Secure routing in UWSNs is necessary for packet d...

objective: to evaluate the knowledge, attitude, and preparedness of mahabad red crescent society volunteers in dealing with chemical attacks. methods: this prospective cross-sectional study was conducted on 120 red crescent society volunteers in mahabad city, iran, during 2014-2015.the knowledge of the volunteers was evaluated and rated using a questionnaire as poor, moderate, and good. also, t...

as a response to a growing interest in rfid systems such as internet of things technology along with satisfying the security of these networks, proposing secure authentication protocols are indispensable part of the system design. hence, authentication protocols to increase security and privacy in rfid applications have gained much attention in the literature. in this study, security and privac...