Stefan Rohner, Rebekka Schnepper, Andrea Meienberg, Katrin Bopp, Michael Mayr, Gunther Meinlschmidt, Rainer Schaefert. "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 (2026). https://doi.org/10.1371/journal.pone.0340385