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With firms facing intense rivalry, globalization, and time-to-market pressures, the need for organizational agility assumes greater importance. One of the primary vehicles for achieving organizational agility is the use of agile information systems [IS] and the close alignment of information technologies [IT] with business. However, IS is often viewed as an(More)
Audio watermarking techniques can be used not only as a copyright protect system but also as a short-range wireless data transmission system between a loudspeaker and a microphone. To send data through aerial space using acoustic signal, the length of frequency analysis window should be longer than the reverberation time, which, however, can degrade the(More)
BACKGROUND Free flap surgery for head and neck defects has gained popularity as an advanced microvascular surgical technique. The aims of this study are first, to determine whether the known risk factors such as comorbidity, tobacco use, obesity, and radiation increase the complications of a free flap transfer, and second, to identify the incidence of(More)
After skin grafting, to prevent hematoma or seroma collection at the graft site, a tie-over dressing has been commonly used. However, although the conventional tie-over dressing by suture is a useful method for securing a graft site, refixation is difficult when repeated tie-over dressing is needed. Therefore, we recommend a redoable tie-over dressing(More)