The question of whether migratory birds track a specific climatic niche by seasonal movements has important implications for understanding the evolution of migration, the factors affecting species’ distributions, and the responses of migrants to climate change. Despite much research, previous studies of bird migration have produced mixed results.…[Read more]

stantial institutional variation. Our study elucidates common clinical scenarios deemed rarely appropriate and clarifies the potential targets of quality improvement. Registration URL https//www.umin.ac.jp/ctr/index.htm. Unique identifier UMIN000020423.SIGNIFICANCE Regular contractile activity plays a critical role in maintaining skeletal muscle…[Read more]