1. Institute of Nursing Science; University of Basel; Switzerland
2. Department of Paediatrics; Inselspital Bern University Hospital; Switzerland
3. University of Applied Sciences Bern; Health Division; Switzerland
4. School of Nursing; University of Pittsburgh; Pennsylvania USA
5. Institute of Higher Education and Research in Healthcare; University of Lausanne; Switzerland
6. Department of Paediatric Hematology-Oncology; University Children's Hospital UKBB; Basel Switzerland
7. University Children's Hospital Zurich; Switzerland