title: In memory of Dr. Olivier Toussaint.
authors.affiliation: Stress and Ageing Group, URBC-Narilis, University of Namur, Namur, Belgium. florence.chainiaux@unamur.be.
authors.forename: Florence
authors.initials: F
authors.lastname: Debacq-Chainiaux
authors.affiliation: Integrative Genomics of Ageing Group, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK.
authors.forename: João Pedro
authors.initials: JP
authors.lastname: de Magalhães