PT - JOURNAL ARTICLE AU - F.A. Klok AU - G.J.A.M. Boon AU - S. Barco AU - M. Endres AU - J.J.M. Geelhoed AU - S. Knauss AU - S.A. Rezek AU - M.A. Spruit AU - J. Vehreschild AU - B. Siegerink TI - The Post-COVID-19 Functional Status (PCFS) Scale: a tool to measure functional status over time after COVID-19 AID - 10.1183/13993003.01494-2020 DP - 2020 Jan 01 TA - European Respiratory Journal PG - 2001494 4099 - http://erj.ersjournals.com/content/early/2020/05/12/13993003.01494-2020.short 4100 - http://erj.ersjournals.com/content/early/2020/05/12/13993003.01494-2020.full