Is Chronic Low Back Pain Associated with the Prevalence of Coronary Heart Disease when Genetic Susceptibility Is Considered? A Co-Twin Control Study of Spanish Twins

• Matt Fernandez ,

  * E-mail: mfer4234@uni.sydney.edu.au

  Affiliation Arthritis & Musculoskeletal Research Group, Faculty of Health Sciences, The University of Sydney, Sydney, Australia

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• Juan R. Ordoñana,

  Affiliation Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of Murcia and IMIB-Arrixaca, Murcia, Spain

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• Jan Hartvigsen,

  Affiliations Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense M, Denmark, Nordic Institute of Chiropractic and Clinical Biomechanics, University of Southern Denmark, Odense M, Denmark

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• Manuela L. Ferreira,

  Affiliations Musculoskeletal Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Sydney, Australia, Institute of Bone and Joint Research, The Kolling Institute, Sydney Medical School, The University of Sydney, NSW, Australia

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• Kathryn M. Refshauge,

  Affiliation Arthritis & Musculoskeletal Research Group, Faculty of Health Sciences, The University of Sydney, Sydney, Australia

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• Juan F. Sánchez-Romera,

  Affiliation Murcia Twin Registry, Department of Human Anatomy and Psychobiology, University of Murcia and IMIB-Arrixaca, Murcia, Spain

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• Marina B. Pinheiro,

  Affiliation Arthritis & Musculoskeletal Research Group, Faculty of Health Sciences, The University of Sydney, Sydney, Australia

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• Stephen J. Simpson,

  Affiliation Charles Perkins Centre, School of Biological Sciences, The University of Sydney, Sydney, Australia

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• John L. Hopper,

  Affiliation Australian Twin Registry, Centre for Molecular, Environmental, Genetic, and Analytic Epidemiology, The University of Melbourne, Victoria, Australia

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• Paulo H. Ferreira

  Affiliation Arthritis & Musculoskeletal Research Group, Faculty of Health Sciences, The University of Sydney, Sydney, Australia

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