Corrigendum: The Gambian Bone and Muscle Ageing Study: Baseline Data From a Prospective Observational African Sub-Saharan Study - Zengin, Ayse; Fulford, Anthony J.; Sawo, Yankuba; Jarjou, Landing M.; Schoenmakers, Inez; Goldberg, Gail; Prentice, Ann; Ward, Kate A. (Frontiers in Endocrinology, 2018)