A single-question screen for rapid eye movement sleep behavior disorder: A multicenter validation study

Ronald B. Postuma, Isabelle Arnulf, Birgit Hogl, Alex Iranzo, Tomoyuki Miyamoto, Yves Dauvilliers, Wolfgang Oertel, Yo El Ju, Monica Puligheddu, Poul Jennum, Amelie Pelletier, Christina Wolfson, Smaranda Leu-Semenescu, Birgit Frauscher, Masayuki Miyamoto, Valerie Cochen De Cock, Marcus M. Unger, Karin Stiasny-Kolster, Maria Livia Fantini, Jacques Y. Montplaisir