1. Division of Human Nutrition; Wageningen University; Wageningen The Netherlands
2. Wageningen UR library, Wageningen University; Wageningen The Netherlands
3. Department of Epidemiology and Biostatistics; School of Public Health, Imperial College London; London United Kingdom
4. Department of Epidemiology; Biostatistics; and HTA; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
5. Department for Health Sciences; VU University Amsterdam; Amsterdam The Netherlands