[1
]
Department of Orthopaedics, University Medical Center Utrecht, HP G05.228, P.O. Box
85500, 3508GA, Utrecht, The Netherlands. s.sadiqi-3@umcutrecht.nl.
[2
]
Rehabilitation Center 'De Hoogstraat', Utrecht, The Netherlands.
[3
]
Department of Rehabilitation Medicine, Center for Rehabilitation, University Medical
Center Groningen, Groningen, The Netherlands.
[4
]
Department of Orthopaedic Surgery, Radboud University Medical Center, Nijmegen, The
Netherlands.
[5
]
Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada.
[6
]
Swedish Neuroscience Institute, Swedish Medical Center, Seattle, WA, USA.
[7
]
Department of Traumatology and Orthopaedic Surgery, Inselspital University of Bern,
Bern, Switzerland.
[8
]
Center for Spinal Surgery, BGU-Hospital, Frankfurt, Germany.
[9
]
Department of Orthopaedic and Spine Surgery, Ganga Hospital, Coimbatore, India.
[10
]
Center for Spinal Surgery, Schön Klinik Nürnberg Fürth, Fürth, Germany.
[11
]
Department of Orthopaedics, Thomas Jefferson University, Philadelphia, PA, USA.
[12
]
Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands.