EVOLUTION OF APPRAISAL TOOL USAGE PREFERENCES IN PROSPERO RECORDS: A STUDY OF NON-COCHRANE SYSTEMATIC REVIEWS

Abstract Objectives This research-on-research substudy uses a data-driven approach to investigate the range of appraisal tools in non-Cochrane systematic reviews and meta-analyses registered in the International Prospective Register of Systematic Reviews (PROSPERO).Study design and setting A comprehensive web scraping of all completed non-Cochrane

Millimeter wave (mmWave) is a key band for fifth-generation (5G) mobile communication that features large available bandwidth and high data rates.Antenna elements are recommended to be dual-polarized, compact, wideband, and high gain to be utilized for 5G array antenna systems.In this paper, a miniaturized gain-enhanced Vivaldi antenna element in O