Rohner, S., Schnepper, R., Meienberg, A., Bopp, K., Mayr, M., Meinlschmidt, G., Schaefert, R. (2026). Protocol of the digital long COVID study: A single-center, registry-based, feasibility and clinical evaluation study to investigate a 12-week digital intervention program for people affected by post-COVID-19 condition. PLoS ONE. https://doi.org/10.1371/journal.pone.0340385