Before revision:  Using data at a daily level we propose a micro-level model for the heterogeneity in reporting delay caused by calendar day effects in the reporting process, such as the weekday pattern and holidays.
After revision:  Using data at a daily level we propose a micro-level model for the heterogeneity in this observation delay based on the occurrence day of the event and on calendar day effects in the reporting process, such as the weekday pattern and holidays.