1 Centre for Intervention Science in Maternal and Child Health, Centre for International Health, Bergen, Norway; Department of Research, Innlandet Hospital Trust, Lillehammer 2609, Norway. Electronic address: tor.strand@uib.no.
2 Department of Research, Innlandet Hospital Trust, Lillehammer 2609, Norway; Bevital, Bergen, Norway.
3 Department of Research, Innlandet Hospital Trust, Lillehammer 2609, Norway; Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE Norwegian Research Centre, Bergen, Norway.
4 Department of Community Medicine, Kathmandu Medical College, Kathmandu, Nepal.