Investigating Whether a Combination of Electro-Encephalography and Gene Expression Profiling Can Predict the Risk of Chronic Pain: A Protocol for an Observational Prospective Cohort StudyBy Ann-Christin Sannes, Usman Ghani, Imran Khan Niazi, Torgeir Moberget, Rune Jonassen, Heidi Haavik, Johannes Gjerstad | 2024