[1] The “Husläkarna i Österåker” Health Centre,
[2] Åkersberga,undefined
[3] Sweden,undefined
[4] Family Medicine Stockholm,undefined
[5] Novum,undefined
[6] SE-141 57 Huddinge,undefined
[7] Sweden Tel.: +46-8-585-853-24; Fax: +46-8-585-853-05,undefined