AstraZeneca will engage in a new restructuring plan, shedding 1,600 employees and relocating another 2,500 as it reorganizes its R&D structure and reduces its marketing staff over the next three years.   Once the plan is enacted, AZ’s small molecule and biologics R&D activities will be concentrated in three strategic centers: Cambridge, UK; Gaithersburg, MD; and Mölndal, Sweden. The locations were chosen due to their proximity to bioscience clusters, “making it easier to acce...