External url http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VD8-4TTNCD2-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=26a1bddb15ef9e56291bdc5bc55ce3cd Cover photo 61588-file.image.gif Forfatter(e) Kristina Andersson, Anita Hussénius og Christina Gustafsson
