[1] Fdn IRCCS Ist Neurol Carlo Besta, Cerebrovasc Unit, Milan, Italy
[2] Univ Childrens Hosp Zurich, Moyamoya Ctr, Zurich, Switzerland
[3] Univ Tubingen, Moyamoya Ctr adults, Dept Neurosurg, Tubingen, Germany
[4] Univ Autonoma Madrid, La Paz Univ Hosp, Hosp La Paz Inst Hlth Res IdiPAZ, Dept Neurol, Madrid, Spain
[5] Univ Autonoma Madrid, La Paz Univ Hosp, Hosp Paz Inst Hlth Res IdiPAZ, Stroke Ctr, Madrid, Spain
[6] Hosp Robert Debre, INSERM U1141, Paris, France
[7] Charite Univ Med Berlin, Dept Neurosurg, Berlin, Germany
[8] Azienda Unita Sanitaria Locale IRCCS Reggio Emilia, Neurol Unit, Stroke Unit, Reggio Emilia, Italy
[9] European Stroke Org, Basel, Switzerland
[10] Alfried Krupp Hosp, Dept Neurol, APHP Nord, Essen, Germany
[11] Heinrich Heine Univ, Med Fac, Dept Neurol, Dusseldorf, Germany
[12] Hop Lariboisiere, Natl Referral Ctr Rare Vasc Dis Brain & Eye CERVCO, 2 Rue Ambroise Pare, F-75010 Paris, France