1. Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands;
2. Department of Surgery, Hospital Gelderse Vallei, the Netherlands;
3. Alexander Monro Clinics, Bilthoven, the Netherlands;
4. Department of Medical Oncology, St. Antonius Hospital, Nieuwegein, the Netherlands;
5. Department of Medical Oncology, Flevohospital, Almere, the Netherlands;
6. Department of Medical Oncology, Academic Medical Center, Amsterdam, the Netherlands;
7. Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania, USA