Bind, R H, Estevao, C, Fancourt, D, Hazelgrove, K, Sawyer, K, Rebecchini, L, Miller, C, Dazzan, P, Sevdalis, N, Woods, A, Crane, N, Manoharan, M, Burton, A, Dye, H, Osborn, T, Greenwood, L, Bakolis, I, Lopez, M B, Davis, R, Perkins, R & Pariante, C M 2022, ' Online singing interventions for postnatal depression in times of social isolation : a feasibility study protocol for the SHAPER-PNDO single-arm trial ', Pilot and Feasibility Studies, vol. 8, no. 1, 148 . https://doi.org/10.1186/s40814-022-01112-1