Funding statement
LIFECYCLE, grant agreement No 733206, 2016; EUCAN-Connect grant agreement No 824989; ATHLETE, grant agreement No 874583; Australian National Health and Medical Research Council, Grant/Award Number: 1117687; European Union’s Horizon 2020 research and innovation programme, Grant/Award Number: 733206; European Union’s Horizon 2020 co‐funded programme ERA‐Net on Biomarkers for Nutrition and Health (ERA HDHL), Grant/Award Number: 696295. The Department of Dermatology of the Erasmus MC University Medical Center Rotterdam received an unrestricted grant from Micreos Human Health, The Netherlands.