Affiliations

• ¹ Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany. dressler.dirk@mh-hannover.de.
• ² Institute of Music Physiology and Musicians' Medicine, Hanover University of Music, Drama and Media, Hannover, Germany.
• ³ Chulalongkorn Centre for Excellence on Parkinson's Disease and Related Disorders, King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
• ⁴ Department of Neurology, King Faisal Specialist Hospital, Riyadh, Kingdom of Saudi Arabia.
• ⁵ Centro de Estudios de Trastornos del Movimiento, University of Santiago, Santiago de Chile, Chile.
• ⁶ Hospital Sao Joaquim Beneficencia Portuguesa, Sao Paulo, Brazil.
• ⁷ Department of Neurology, Mount Sinai Medical Center, New York, NY, USA.
• ⁸ Department of Neurology, Fundacion Jimenez Diaz, Madrid, Spain.
• ⁹ Neurocentro della Svizzera Italiana, Ospedale Regionale di Lugano, Lugano, Switzerland.
• ¹⁰ Department of Neurology, University of Tokushima, Tokushima, Japan.
• ¹¹ Department of Neurology, Palacky University, Olomouc, Czech Republic.
• ¹² Department of Ear-, Nose and Throat, Universitätsmedizin Göttingen, Göttingen, Germany.
• ¹³ Department of Neurology, Hospital de Clínicas José de San Martín, University of Buenos Aires, Buenos Aires, Argentina.
• ¹⁴ Clinic 'Cecil Plus', Moscow, Russia.
• ¹⁵ Department of Neurology, University of Zagreb, Zagreb, Croatia.
• ¹⁶ Department of Neurology, University of Santo Tomas, Manila, Philippines.
• ¹⁷ Department of Neurological-Psychiatric Nursing, Medical University of Gdansk, Gdansk, Poland.
• ¹⁸ Scientific Research Institute of Neurology, Moscow, Russia.
• ¹⁹ Reta Lila Weston Institute, University College, London, UK.
• ²⁰ IAB-Interdisciplinary Working Group for Movement Disorders, Hamburg, Germany.