[1] Stockholm Ctr Eating Disorders, Res & Dev Unit, Wollmar Yxkullsgatan 27B, S-11850 Stockholm, Sweden
[2] Karolinska Inst, Ctr Psychiat Res, Dept Clin Neurosci, Stockholm, Sweden
[3] Stockholm Cty Council, Stockholm Hlth Care Serv, Stockholm, Sweden
[4] Karolinska Inst, Dept Publ Hlth Sci, Stockholm, Sweden
[5] Stockholm Cty Council, Ctr Epidemiol & Community Med, Stockholm, Sweden