1. Department of Orthopedics, Section Physical Therapy Erasmus MC, Erasmus University Medical Center Rotterdam Rotterdam the Netherlands
2. Department of Pediatric Surgery, Intensive Care Unit Erasmus MC Sophia Children's Hospital, University Medical Center Rotterdam Rotterdam the Netherlands
3. Department of Internal Medicine, Section Nursing Science Erasmus MC, Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
4. Department of Biostatistics Erasmus MC, Erasmus University Medical Center Rotterdam Rotterdam The Netherlands
5. Department of Epidemiology Erasmus MC, Erasmus University Medical Center Rotterdam Rotterdam The Netherlands