[1] Karolinska Inst, Dept Publ Hlth Sci, Tomtebodavagen 18A, S-17165 Stockholm, Sweden
[2] Uppsala Univ, Dept Womens & Childrens Hlth, S-75185 Uppsala, Sweden
[3] Hanoi Med Univ, Hanoi, Vietnam
[4] Karolinska Inst, Dept Neurobiol Care Sci & Soc, Div Nursing, Unit Studies Integrat Care, S-17165 Stockholm, Sweden
[5] IC Integrat Care Sci Ctr, Jarna, Sweden