Competing interests
KMG has received reimbursement for speaking at conferences sponsored by companies selling nutritional products. KMG is part of an academic consortium that has received research funding from Abbott Nutrition, Nestec and Danone. CC reports personal fees from ABBH, Amgen, Eli Lilly, GSK, Medtronic, Merck, Novartis, Pfizer, Roche, Servier and Takeda, outside the submitted work. NCH reports personal fees, consultancy, lecture fees and honoraria from Alliance for Better Bone Health, AMGEN, MSD, Eli Lilly, Servier, Shire, Radius Health, UCB, Consilient Healthcare and Internis Pharma, outside the submitted work. The other authors have no competing interests.