Cocreated regional research agenda for evidence-informed policy and advocacy to improve adolescent sexual and reproductive health and rights in sub-Saharan Africa. Issue 4 (2nd April 2021) - Mwoka, Meggie; Ajayi, Anthony Idowu; Kibunja, Grace; Cheruiyot, Collins; Ouedraogo, Ramatou; Juma, Kenneth; Igonya, Emmy Kageha; Opondo, Winnie; Otukpa, Emmanuel; Kabiru, Caroline; Ushie, Boniface Ayanbekongshie