Additional file 2 of Therapeutic pulmonary telerehabilitation protocol for patients affected by COVID-19, confined to their homes: study protocol for a randomized controlled trial Gonzalez-GerezJuan Jose Bernal-UtreraCarlos Anarte-LazoErnesto Garcia-VidalJose Antonio Botella-RicoJose Martin Rodriguez-BlancoCleofas 2020 Additional file 2. Appendix 2. Checklist for telephone monitoring.