Figure 1

Timeline for the health studies included in this study. Abbreviations: HUNT, The Trøndelag Health Study; CONOR, Cohort of Norway. aCONOR includes data from HUNT2 and Tromsø4-Tromsø5. These participations were only counted once.

Timeline for the health studies included in this study. Abbreviations: HUNT, The Trøndelag Health Study; CONOR, Cohort of Norway. aCONOR includes data from HUNT2 and Tromsø4-Tromsø5. These participations were only counted once.