Competing interests
The study was financially supported by Arla Foods, amba, Denmark, and Arla also provided the respective formulas. Financial support was paid directly to the respective institution. The sponsor contributed to the study design but had no role in the data collection or data analysis. MBK, an employee of Arla Foods, amba, contributed to the preparation of the manuscript. KSS, AS, MR, HS and CEW declare that they have no competing interests. OH has received honorarium and funding from Arla Foods, amba, and Arla Food Ingredients.