Authorship
Kim Kamphorst: conception and design, acquisition of data, analysis and interpretation of data; drafting the manuscript, approval of final version of the manuscript
Arine M. Vlieger: conception and design, analysis and interpretation of data, critical revision of manuscript, approval of final version of the manuscript
Berthe C. Oosterloo: conception and design, interpretation of data; critically revision of the manuscript and approval of final version of the manuscript
Susan Waarlo: acquisition of data, analysis and interpretation of data, critically revision of the manuscript and approval of final version of the manuscript
Ruurd M. van Elburg: conception and design, analysis and interpretation of data; drafting the manuscript, approval of final version of the manuscript
Table 1: baseline characteristics