[1] Department of Neurology, University Medical Centre Schleswig-Holstein, Campus Kiel and Kiel University, Kiel
[2] Instituto de Medicina Molecular João Lobo Antunes and Centro de Estudos Egas Moniz, Faculdade de Medicina da Universidade de Lisboa, Lisbon
[3] Department of Gastroenterology and Hepatology, Erasmus University Medical Centre, Rotterdam
[4] School of Allied Health, Faculty of Education and Health Sciences and Health Research Institute, University of Limerick, Limerick
[5] Translational and Clinical Research Institute, Newcastle University and NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne
[6] CHDI Management, CHDI Foundation, Princeton, NJ
[7] Teknologian Tutkimuskeskus VTT Oy, Espoo
[8] European Federation of Crohn's and Ulcerative Colitis, Brussels
[9] MC Healthcare Evaluation, London
[10] Janssen Research and Development, Cambridge, MA
[11] Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne
[12] Institute of General Medicine, University Medical Centre Schleswig-Holstein, Kiel University, Kiel
[13] Asociación Parkinson Madrid, Madrid
[14] University of Twente, Department of Medical Cell Biophysics, TechMed Centre, Enschede
[15] Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia
[16] Parkinson's UK, London
[17] George-Huntington-Institute, R&D-Campus/Technology-Park Münster, Münster
[18] Institute of Clinical Radiology, University of Münster, Münster
[19] Department of Neurodegeneration, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen
[20] Department of Internal Medicine I, University Medical Centre Schleswig-Holstein, Kiel University, Kiel
[21] European Huntington's Association, Moerbeke
[22] Medical Department, Takeda, Brussels
[23] Janssen LLC, GCSO Immunology, Horsham, PA
[24] Department of Neurology, Medical University Innsbruck, Innsbruck