Financial & competing interests disclosure
This work was supported by the Else Kröner-Fresenius Stiftung (2014_A193) and by the German Ministry of Education and Research (BMBF; OBELICS). RWTH Aachen University Medical School has patents pending for the ‘Epigenetic Senescence Signature’ and the ‘Epigenetic Aging Signature’. W Wagner is one of the founders of Cygenia GmbH that may provide service for these methods (www.cygenia.com).
No writing assistance was utilized in the productionof this manuscript.