- Correspondence to Bianca Bech, Center for Rheumatology and Spine Diseases, Centre of Head and Orthopaedics, Rigshospitalet - Glostrup, Glostrup 2600, Denmark;
- Received March 29, 2019
- Revised June 8, 2019
- Accepted June 23, 2019
- First published July 12, 2019.
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