Benno Krachler1,2
, Mats Eliasson3,4
, Hans Stenlund5
, Ingegerd Johansson6
, Göran Hallmans7
and Bernt Lindahl2 
1
Department of Medicine, Kalix Hospital, Kalix, Sweden
2
Behavioural Medicine, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
3
Department of Medicine, Sunderby Hospital, Luleå, Sweden
4
Medicine, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
5
Epidemiology and Public Health Sciences, Umeå University, Umeå, Sweden
6
Odontology, Cariology, Umeå University, Umeå, Sweden
7
Nutrition Research, Public Health and Clinical Medicine, Umeå University, Umeå, Sweden