Els van Meijel

155 Contributors’ statement Contributors’ statement Predicting posttraumatic stress disorder in children and parents following accidental child injury: evaluation of the Screening Tool for Early Predictors of Posttraumatic Stress Disorder (STEPP) Els van Meijel participated in the design and funding of the study, collected the data, performed the statistical analysis and drafted the manuscript; Maj Gigengack participated in the collection and interpretation of data and provided administrative and technical support; Eva Verlinden participated in the collection of data; Brent Opmeer participated in the design and funding of the study and advised on the interpretation of data and statistical analyses. Hugo Heij, Carel Goslings, Frank Bloemers and Jan Luitse participated in the design of the study and provided all necessary support for the collection of the data and the interpretation of the medical data. Frits Boer participated in the design and funding of the study and provided study supervision. Martha Grootenhuis participated in the interpretation of data and provided study supervision. Ramón Lindauer participated in the design and funding of the study and provided study supervision. All authors participated in critical revision of the manuscript. The association between acute pain and posttraumatic stress symptoms in children and adolescents three months after accidental injury Els van Meijel participated in the design and funding of the study, collected the data, performed the statistical analysis and drafted the manuscript; Maj Gigengack participated in the collection and interpretation of data and provided administrative and technical support; Eva Verlinden participated in the collection of data; Alida van der Steeg, Carel Goslings, Frank Bloemers and Jan Luitse provided all necessary support for the collection of the data and the interpretation of the medical data. Frits Boer participated in the design and funding of the study and provided study supervision. Martha Grootenhuis participated in the interpretation of data and provided study supervision. Ramón Lindauer participated in the design and funding of the study and provided study supervision. All authors participated in critical revision of the manuscript.