Bibliografisk noteFunding Information:
This review was funded by the Ministry of Environment and Food of Denmark. The Ministry of Environment and Food of Denmark has not been involved in the planning or conduct of the review. The authors declare that they have no known conflicts of interest. However, for the sake of good order, it should be mentioned that E.T., H.M., M.G.G., C.B.L., A.S. and M.U.J. have been involved in research projects funded by the industry (for example the Danish Dairy Research Foundation). Furthermore, M.U.J. has given talks on the topic of the review at workshops and seminars paid by the organisers.
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