A community-based mentoring scheme for pregnant and parenting adolescents in Sierra Leone: Protocol for a hybrid pilot cluster randomised controlled trial. oleh Cristina Fernandez Turienzo, Mangenda Kamara, Lucy November, Philemon Kamara, Appiah M Kingsford, Alexandra Ridout, Suzanne Thomas, Paul T Seed, Andrew H Shennan, Jane Sandall, Prince T Williams