@base . a ; ; "20210206222200.0"^^ ; ; . a . a ; "2667-0941" ; . "Netherlands" . a , , ; , , ; "International journal of epidemiology and health sciences." ; ; ; "2667-0941" ; ; "2667-0941" ; ; "2667-0941" ; "International journal of epidemiology and health sciences" , "International journal of epidemiology and health sciences." ; ; "http://www.ijehs.com/" . a , ; "International journal of epidemiology and health sciences" . a ; . . a ; "2667-0941" ; .