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González-de Paz L, Kostov B, Alvira-Balada MDC, Colungo C, García N, Roura S, Blat E, Sierra-Benito C, Sotoca-Momblona JM, Benavent-Areu J, Sánchez E, Sisó-Almirall A; Eva Sanchez on behalf of the OMBP Group.González-de Paz L, et al.BMJ Open. 2019 May 27;9(5):e029268. doi: 10.1136/bmjopen-2019-029268.BMJ Open. 2019.PMID: 31133597Free PMC article.