Table 1.

Research sites and investigators involved in the study.

Investigators	Role	Research site
The Netherlands
P. J. C. van Lonkhuizen, MSc	Coordinating investigator	LUMC*, Topaz, NeLL
N. J. H. Vegt, PhD	Co-investigator	LUMC*, NeLL
E. Meijer, PhD	Co-investigator	LUMC*, NeLL
A. Heemskerk, PhD	Co-investigator	LUMC*, Topaz
E. van Duijn, MD, PhD	Co-investigator	LUMC$, Topaz
S. T. de Bot, MD, PhD	Co-investigator	LUMC∇
N. H. Chavannes, MD, PhD	Principal investigator	LUMC*, NeLL
Germany
G. B. Landwehrmeyer, MD, PhD	Principal investigator	University Hospital Ulm
A. Mühlbäck, MD	Coordinating investigator	University Hospital Ulm
W. Frank, MSc	Coordinating investigator	University Hospital Ulm
R. Hoffmann, MD	Co-investigator	University Hospital Ulm
Czech Republic
J. Klempíř, MD, PhD	Principal investigator	Charles University Prague
K. Dolečková, MD	Co-investigator	Charles University Prague
O. Klempířová, PhD	Co-investigator	Charles University Prague
O. Ulmanová, MD, PhD	Co-investigator	Charles University Prague
J. Roth, MD, PhD	Co-investigator	Charles University Prague
Italy
F. Squitieri, MD, PhD	Principal investigator	IRCCS Casa Sollievo della Sofferenza Hospital
S. Maffi, MSc	Coordinating investigator	IRCCS Casa Sollievo della Sofferenza Hospital
E. Scaricamazza, MD, PhD	Co-investigator	IRCCS Casa Sollievo della Sofferenza Hospital
S. Migliore, PhD	Co-investigator	IRCCS Casa Sollievo della Sofferenza Hospital
M. Casella, MSc	Co-investigator	Italian League for Research on Huntington
Ireland
J. Hoblyn, MD	Principal investigator	Bloomfield Hospital, Trinity College Dublin
M. Thangaramanujam, MISCP	Coordinating investigator	Bloomfield Hospital, Trinity College Dublin

LUMC, Leiden University Medical Center; Topaz, Huntington Center Topaz Overduin; NeLL, National eHealth Living Lab; IRCCS, Istituto di Ricovero e Cura a Carattere Scientifico.

^*Department of Public Health and Primary Care.

^$Department of Psychiatry.

^∇Department of Neurology.