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Location Total dose SED 25OHD (nmol/L) Summer–Winter (nmol/L) Δ25OHD/exposure (nmol/L/SDD/time) Age a Duration Darling et al . (21) 90F 1–4 PS, 1 wk/season Surrey, UK (51.3N) Year-round 6.39 S 0.64 W 72.1 S 44.5 W 27
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Fundación Santa Fe de Bogotá, Section of Endocrinology, Bogotá, Colombia
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, skeletal growth during childhood, reaching peak bone mass, and continuous bone remodeling throughout adulthood ( 3 , 4 , 5 ). Several large, national surveys undertaken in Asia ( 6 , 7 ), North America ( 8 , 9 , 10 ), Europe ( 11 , 12 , 13 ), and