Table 1.

Included cohort studies.

Cohort name		Year of start	Reference
Traditional cohorts
	Framingham Heart Study	1948	Tsao and Vasan [18]
	The National Child Development Study	1958	Power and Elliott [19]
	Nurses’ Health Study	1976	Bao et al [20]
	Swiss HIV Cohort Study	1988	Schoeni-Affolter et al [16]
	Cohort of Norway (CONOR)	1994	Næss et al [21]
	The Danish National Birth Cohort	1996	Olsen et al [22]
	PIAMA Birth Cohort	1996	Wijga et al [23]
	UK Millennium Cohort Study	2000	Connelly and Platt [24]
	The Chronic Kidney Disease in Children Cohort Study	2005	Furth et al [25]
	The lidA Cohort Study	2011	Hasselhorn et al [26]
eCohorts
	NINFEA Birth Cohort	2005	Firestone et al [8]
	The Nurses and Midwives e-cohort Study	2006	Turner et al [9], Huntington et al [27]
	Snart-Gravid Cohort	2007	Christensen et al [14]
	ELF Cohort	2007	Firestone et al [8]
	Etude NutriNet-Santé e-cohort	2009	Andreeva et al [13], Andreeva et al [28], Hercberg et al [29]
	UK Cosmos	2009	Toledano et al [30]
	SnartForaeldre	2011	Christensen et al [14]
	French G-GrippeNet cohort	2014	Loubet et al [31]
	Swiss MS Registry	2016	Puhan et al [7]