1 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden. Electronic address: victor.gabriel.elhajj@stud.ki.se.
2 Division of Ophthalmology and Vision, Department of Clinical Neuroscience, Karolinska Institutet, St. Erik Eye Hospital, Stockholm, Sweden.
3 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Capio Spine Center Stockholm, Löwenströmska Hospital, Stockholm, Sweden.
4 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Division of Ophthalmology and Vision, Department of Clinical Neuroscience, Karolinska Institutet, St. Erik Eye Hospital, Stockholm, Sweden.
5 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Capio Spine Center Stockholm, Löwenströmska Hospital, Stockholm, Sweden; Department of Medical Sciences, Örebro University, Örebro, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.