COVID-19 and mental health in 8 low- and middle-income countries: a prospective cohort study by Aksunger, N, Vernot, C, Littman, R, Voors, M, Meriggi, NF, Abajobir, A, Beber, B, Dai, K, Egger, D, Islam, A, Kelly, J, Kharel, A, Matabaro, A, Moya, A, Mwachofi, P, Nekesa, C, Ochieng, E, Rahman, T, Scacco, A, van Dalen, Y, Walker, M, Janssens, W, Mobarak, AM