title: Letter by Johansson et al regarding article, "Migraine Intervention With STARFlex Technology (MIST) trial".
authors.forename: Magnus C
authors.initials: MC
authors.lastname: Johansson
authors.forename: Mikael
authors.initials: M
authors.lastname: Dellborg
authors.forename: Peter
authors.initials: P
authors.lastname: Eriksson
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D054092:Foramen Ovale, Patent / Q000000981:diagnostic imaging* / Q000601:surgery*; D006801:Humans; D020325:Migraine with Aura / Q000517:prevention & control*; D014463:Ultrasonography