Postuma, Ronald B.;
Berg, Daniela;
Stern, Matthew;
Poewe, Werner;
Olanow, C. Warren;
Oertel, Wolfgang;
Marek, Kenneth;
Litvan, Irene;
Lang, Anthony E.;
Halliday, Glenda;
Goetz, Christopher G.;
Gasser, Thomas;
Dubois, Bruno;
Chan, Piu;
Bloem, Bastiaan R.;
Adler, Charles H.;
Deuschl, Günther