Shared Epitope Alleles Remain A Risk Factor for Anti-Citrullinated Proteins Antibody (ACPA) – Positive Rheumatoid Arthritis in Three Asian Ethnic Groups

• Too Chun-Lai,

  Affiliations Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden, Allergy and Immunology Research Center, Institute for Medical Research, Kuala Lumpur, Malaysia

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• Leonid Padyukov ,

  * E-mail: leonid.padyukov@ki.se

  Affiliation Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

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• Jasbir Singh Dhaliwal,

  Affiliation Allergy and Immunology Research Center, Institute for Medical Research, Kuala Lumpur, Malaysia

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• Emeli Lundström,

  Affiliation Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

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• Abqariyah Yahya,

  Affiliations Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden, Epidemiology and Biostatistics Unit, Institute for Medical Research, Kuala Lumpur, Malaysia

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• Nor Asiah Muhamad,

  Affiliation Epidemiology and Biostatistics Unit, Institute for Medical Research, Kuala Lumpur, Malaysia

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• Lars Klareskog,

  Affiliation Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

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• Lars Alfredsson,

  Affiliation Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

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• Per Tobias Larsson,

  Affiliation Rheumatology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

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• Shahnaz Murad,

  Affiliation Institute for Medical Research, Kuala Lumpur, Malaysia

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• for the Malaysian Epidemiological Investigation of Rheumatoid Arthritis (MyEIRA) Study Group