Country: Sweden

Origin of Variances in the Oldest-Old: Octogenarian Twins (OCTO-Twin)

Aging in Women and Men: A Longitudinal Study of Gender Differences in Health Behaviour and Health among Elderly (GENDER)

Kungsholmen Project (KP)

Gothenburg Study 95+

Gothenburg Study (H85)

The Gothenburg H70 Birth Cohort Studies (H70)