1. Department of GeneticsUniversity Medical Center Groningen, University of Groningen Groningen The Netherlands
2. Clinical Ethics and Law, Faculty of MedicineUniversity of Southampton Southampton UK
3. Department of Health PsychologyUniversity Medical Center Groningen, University of Groningen Groningen The Netherlands
4. Department of Internal MedicineUniversity Medical Center Groningen, University of Groningen Groningen The Netherlands