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Article History

Received: 29 September 2017

Accepted: 9 November 2018

First Online: 29 November 2018

Ethics approval and consent to participate

: The dataset regarding ankylosing spondylitis consists of the French subset of the large study of the International Genetics of Ankylosing Spondylitis (IGAS) study []. For this subset, unrelated cases were recruited through the Rheumatology clinic of Ambroise Paré Hospital (Boulogne-Billancourt, France) or through the national self-help patients’ association: “Association Française des Spondylarthritiques”. Population-matched unrelated controls were obtained from the “Centre d’Etude du Polymorphisme Humain”, or were recruited as healthy spouses of cases. The protocol was reviewed and approved by the Ethics committee of the Ambroise Paré hospital. All participants gave their informed consent to the study.

: Not applicable.

: The authors declare that they have no competing interests.

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