Optimized communication during risk disclosure to reduce nocebo headache after lumbar puncture—a study protocol for a randomized controlled clinical trial - Asan, Livia; Gronen, Johanna Sophie; Peters, Lorenz; Kleinschnitz, Christoph; Holle-Lee, Dagny; Benson, Sven; Bingel, Ulrike (Frontiers in Psychology, 2025)