Authors: Paolo Martelletti; Rigmor H Jensen; Andrea Antal; Roberto Arcioni; Filippo Brighina; Marina de Tommaso; Angelo Franzini; Denys Fontaine; Max Heiland; Tim P Jürgens; Massimo Leone; Delphine Magis; Koen Paemeleire; Stefano Palmisani; Walter Paulus; Arne May Journal: J Headache Pain Date: 2013-10-21 Impact factor: 7.277