A Dutch paediatric palliative care guideline: a systematic review and evidence-based recommendations for symptom treatment oleh Kim C. van Teunenbroek, Renée L. Mulder, Inge M. L. Ahout, Karen G. C. B. Bindels-de Heus, Catharina M. Delsman-van Gelder, Annemie F. S. Galimont-Collen, Marinka A. R. de Groot, Katja M. J. Heitink-Polle, Jeffry Looijestijn, Maarten O. Mensink, Selma Mulder, Jolanda H. Schieving, Antoinette Y. N. Schouten-van Meeteren, Johannes M. A. Verheijden, Hester Rippen, Brigitt C. M. Borggreve, Leontien C. M. Kremer, A. A. Eduard Verhagen, Erna M. C. Michiels, on behalf of the working groups symptom treatment and refractory symptom treatment of the Dutch paediatric palliative care guideline