“…Moreover, despite analysed data were "closed", identified data quality problems are common for "open" data, too. The list of researches discussing quality of health(care) data in many countries such as New Zealand - (Kerr et al, 2007), (Raghupathi, 2014), Denmark - (Schmidt et al, 2015), Brazil - (Oliveira, 2016), USA, UK and Japan - (Yi, 2019), Switzerland - (Wanner et al, 2018), Sweden - (Tomic, 2015), Colombia -(Prieto Rodríguez, 2018), comes to the one conclusionhealth(care) data have data quality problems (with the sole exception of Norway - (Larsen, 2009)).…”