1. Department of EpidemiologyErasmus MC University Medical CenterRotterdamthe Netherlands
2. Department of NeurologyErasmus MC University Medical CenterRotterdamthe Netherlands
3. Department of Gastroenterology and HepatologyErasmus MC University Medical CenterRotterdamthe Netherlands
4. Department of EpidemiologyHarvard T.H. Chan School of Public HealthBostonMAUSA