Diagnostic criteria for blepharospasm: A multicenter international study

Giovanni Defazio, Hyder A. Jinnah, Alfredo Berardelli, Joel S. Perlmutter, Gamze Kilic Berkmen, Brian D. Berman, Joseph Jankovic, Tobias Bäumer, Cynthia Comella, Adam C. Cotton, Tommaso Ercoli, Gina Ferrazzano, Susan H. Fox, Han‐Joon Kim, Emile Moukheiber, Sarah Pirio Richardson, Anne Weißbach, Laura J. Wrigth, Mark Hallett