[1] Univ Oxford, Unit Biocultural Variat & Obes, Sch Anthropol & Museum Ethnog, Oxford, England
[2] Univ Warwick, Warwick Med Sch, Coventry, W Midlands, England
[3] Sachsska Childrens Hosp, Reg Unit Well Baby Clin, Stockholm, Sweden
[4] Karolinska Inst, Div Pediat, Dept Clin Sci Intervent & Technol, Stockholm, Sweden
[5] Karolinska Univ Hosp, Allied Hlth Professionals Funct, Occupat Therapy & Physiotherapy, Stockholm, Sweden