[1] Univ Cincinnati, Cincinnati, OH USA
[2] Hosp Puerta de Hierro Majadahonda, Dept Neurol, Movement Disorders Unit, Majadahonda, Spain
[3] Inova Parkinsons & Movement Disorders Ctr, Alexandria, VA USA
[4] AbbVie, N Chicago, IL USA
[5] Sagamihara Natl Hosp, Dept Neurol, Sagamihara, Japan
[6] Texas Movement Disorder Specialists, Georgetown, TX USA
[7] Westmead Hosp, Westmead, Australia
[8] Univ Sydney, Sydney Med Sch, Sydney, Australia