Unraveling the Biopsychosocial Factors of Fatigue and Sleep Problems After Traumatic Brain Injury: Protocol for a Multicenter Longitudinal Cohort Study

Jessica Bruijel   ^{1, 2} , MSc ;   Sven Z Stapert   ^{1, 2, 3} , PhD ;   Annemiek Vermeeren   ¹ , PhD ;   Jennie L Ponsford   ^{4, 5} , PhD ;   Caroline M van Heugten   ^{1, 2, 6} , PhD

¹ Department of Neuropsychology & Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands

² Limburg Brain Injury Centre, Maastricht, Netherlands

³ Department of Clinical and Medical Psychology, Zuyderland Medical Centre, Sittard-Geleen, Netherlands

⁴ School of Psychological Sciences and Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Australia

⁵ Monash-Epworth Rehabilitation Research Centre, Epworth Healthcare, Melbourne, Australia

⁶ School for Mental Health and Neuroscience, Department of Psychiatry and Neuropsychology, Faculty of Health, Medicine and Life Sciences, Maastricht University Medical center, Maastricht, Netherlands