GerES IIa (West-Germany) 1990/912524 adults aged between 25 and 69 years collected from 100 sampling locations (response rate: 63.1 %) and 453 children 6 to 14 years of age.GerES IIb (East-Germany) 1991/921763 adults aged between 18 and 79 years collected from 50 sampling locations (response rate: 69.0 %) and 359 children and adolescents aged between 6 to 17 years (238 children 6 to 14 years of ag... read more