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von Hammerstein C, Khazaal Y, Dupuis M, Aubin HJ, Benyamina A, Luquiens A, Romo L.von Hammerstein C, et al. Among authors: khazaal y.BMJ Open. 2019 Jun 1;9(5):e026839. doi: 10.1136/bmjopen-2018-026839.BMJ Open. 2019.PMID: 31154307Free PMC article.