‘The Health-Secure Partnership’: Study protocol for the development of a school- & community-based intervention for promoting healthy nutrition among rural adolescents in The Gambia - Haddy Jallow-Badjan; Anne-Marie Bagnall; Tanefa A. Apekey; Haddy Tunkara Bah; Haddy Crookes; Ramatoulie E. Janha; Fatoumatta Kassama; Hassan Njie; Oritseweyinmi Erikowa-Orighoye; Thomas Senghore; Tayamika Zabula; Maria J. Maynard (PLoS ONE)