Johansen, N D, Vaduganathan, M, Bhatt, A S, Lee, S G, Modin, D, Claggett, B L, Dueger, E L, Samson, S, Loiacono, M M, Køber, L, Solomon, S D, Sivapalan, P, Jensen, J U S, Valentiner-Branth, P, Krause, T G & Biering-Sørensen, T 2023, ' Nationwide Utilization of Danish Government Electronic letter system for increasing inFLUenza vaccine uptake (NUDGE-FLU) : Study protocol for a nationwide randomized implementation trial ', American Heart Journal, vol. 260, pp. 58-71 . https://doi.org/10.1016/j.ahj.2023.02.009
Johansen, N D, Modin, D, Nealon, J, Samson, S, Salamand, C, Larsen, C S, Claggett, B L, Solomon, S D, Landray, M J, Gislason, G H, Køber, L, Jensen, J U S, Sivapalan, P, Vestergaard, L S, Valentiner-Branth, P, Krause, T G & Biering-Sørensen, T 2022, ' Feasibility of randomizing Danish citizens aged 65–79 years to high-dose quadrivalent influenza vaccine vs. standard-dose quadrivalent influenza vaccine in a pragmatic registry-based setting : rationale and design of the DANFLU-1 Trial ', Pilot and Feasibility Studies, vol. 8, no. 1, 87 . https://doi.org/10.1186/s40814-022-01044-w Johansen, N D, Modin, D, Nealon, J, Samson, S, Salamand, C, Larsen, C S, Claggett, B L, Solomon, S D, Landray, M J, Gislason, G H, Køber, L, Jensen, J U S, Sivapalan, P, Vestergaard, L S, Valentiner-Branth, P, Krause, T G & Biering-Sørensen, T 2022, ' Feasibility of randomizing Danish citizens aged 65-79 years to high-dose quadrivalent influenza vaccine vs. standard-dose quadrivalent influenza vaccine in a pragmatic registry-based setting : rationale and design of the DANFLU-1 Trial ', Pilot and Feasibility Studies, vol. 8, no. 1, pp. 87 . https://doi.org/10.1186/s40814-022-01044-w