Cornesse, C., Gonzalez Ocanto, M., Fikel, M., Friedel, S., Krieger, U., Rettig, T., & Blom, A. G. (2022). Measurement Instruments for Fast and Frequent Data Collection During the Early Phase of COVID-19 in Germany: Reflections on the Mannheim Corona Study. Measurement Instruments for the Social Sciences, 4(1), Article e11069. https://doi.org/10.1186/s42409-022-00030-5