Subpopulations of regulatory T cells are associated with subclinical atherosclerotic plaques, levels of LDL, and cardiorespiratory fitness in the elderly oleh Tim Böttrich, Pascal Bauer, Vincent Gröβer, Magdalena Huber, Hartmann Raifer, Torsten Frech, Svenja Nolte, Theresa Dombrowski, Franz Cemic, Natascha Sommer, Robert Ringseis, Klaus Eder, Karsten Krüger, Christopher Weyh