The value of nonfactual information in distinguishing primary from secondary headache disorders results of a Delphi study
Heiko Pohl*, Thien Phu Do, Andreas R. Gantenbein, Hamit Genç, Espen Saxhaug Kristoffersen, Jakob Møller Hansen, Marcio Nattan Portes Souza, Mark Obermann, Oxana Grosu, María Pilar Navarro Pérez, Marina Romozzi, Christoph Schankin, Henrik Winther Schytz, Alexandra J. Sinclair, David Garcia-Azorin
*Corresponding author af dette arbejde