TY - T1 - Towards evidence-based vitamin D supplementation in infants: vitamin D intervention in infants (VIDI) : study design and methods of a randomised controlled double-blinded intervention study SN - / UR - http://hdl.handle.net/10138/178848 T3 - A1 - Helve, Otto; Viljakainen, Heli; Holmlund-Suila, Elisa; Rosendahl, Jenni; Hauta-alus, Helena; Enlund-Cerullo, Maria; Valkama, Saara; Heinonen, Kati; Räikkönen, Katri; Hytinantti, Timo; Mäkitie, Outi; Andersson, Sture A2 - PB - BioMed Central Y1 - 2017 LA - eng AB - Abstract Background Vitamin D is important for bone mass accrual during growth. Additionally, it is considered a requirement for a multitude of processes associated with, for example, the development of immunity. Many countries apply vitamin D supplementation strategies in infants, but the guidelines are not based on scientific evidence and aim at prevention of rickets. It remains unclear whether the recommended doses are sufficient for the wide arr... VO - IS - SP - OP - KW - Allergy; Asthma; Bone development; Cognitive development; Immunity; Infants; Infections; Vitamin D N1 - PP - ER -