Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

Proprietary Laboratory Analyses (PLA) Codes are an addition to the CPT® code set approved by the AMA CPT® Editorial Panel. They are alpha-numeric CPT codes with a corresponding descriptor for labs or ...

The Division of Economic and Health Policy Research (Division) conducts independent research on competition in health insurance, pharmacy benefit manager (PBM) and hospital markets. A key question of ...

What is the format? The number of teams has been increased from 32 to 48. That means an additional, last-32 knockout round after the group stage. To win the World Cup, a team must now play eight ...