Original ResearchPublished 30 September 2026Shared decision-making for patients with psychotic disorders: validating the measure “collaboRATE for Next of Kin acting to support patient autonomy”Roar Fosse · Irene Norheim · Jan Ivar Røssberg · Maria Romøren · Kristin Sverdvik Heiervang · Lars Hestmark · Reidar PedersenFrontiers in Health Servicesdoi 10.3389/frhs.2026.1887589