Acceptability and feasibility of HIV self-testing distribution modes among key populations in MoroccoAmal Ben moussa, Safia Mjidila, Amina El Kettani, Ibtissam Khoudri, Mohammed Youbi, Kamal Alami, Houssine El Rhilani, Boutaina ElOmari, Nour El Imane Issam Salah, Sofia Fathi, Fatima Zahra Hajouji, Lahoucine Ouarsas, Mehdi Karkouri and Mustapha Sodqi