Acknowledgements
The first author wishes to express her gratitude to her colleagues and the whole Baria- research team for help with data collection, discussions and support. The authors thank all the patients for providing their invaluable information for the study. The BARIA study is a collaboration between research groups from the University of Copenhagen, the University of Gothenborg, Chalmers University of Technology, the University of Groningen, the University of Amsterdam and the Spaarne Gasthuis.