About the Authors

Marjo K. Hytönen

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland

Meharji Arumilli

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland

Anu K. Lappalainen

Affiliation Department of Equine and Small Animal Medicine, University of Helsinki, Helsinki, Finland

Marta Owczarek-Lipska

Affiliation Institute of Genetics, Vetsuisse Faculty, University of Bern, Bern, Switzerland

Vidhya Jagannathan

Affiliation Institute of Genetics, Vetsuisse Faculty, University of Bern, Bern, Switzerland

Sruthi Hundi

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland

Elina Salmela

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland

Patrick Venta

Affiliation Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States of America

Eva Sarkiala

Affiliation Department of Equine and Small Animal Medicine, University of Helsinki, Helsinki, Finland

Tarja Jokinen

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Department of Equine and Small Animal Medicine, University of Helsinki, Helsinki, Finland

Daniela Gorgas

Affiliation Division of Clinical Radiology, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, Bern, Switzerland

Juha Kere

Affiliations Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland, Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden

Pekka Nieminen

Affiliation Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland

Cord Drögemüller

Contributed equally to this work with: Cord Drögemüller, Hannes Lohi

Affiliation Institute of Genetics, Vetsuisse Faculty, University of Bern, Bern, Switzerland

Hannes Lohi

Contributed equally to this work with: Cord Drögemüller, Hannes Lohi

hannes.lohi@helsinki.fi

Affiliations Department of Veterinary Biosciences, University of Helsinki, Helsinki, Finland, Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland, The Folkhälsan Institute of Genetics, Helsinki, Finland

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: Genetic tests will be available from Genoscoper Ltd, which is partly owned by HL. CD is affiliated at the Institute of Genetics, University of Bern, Switzerland, which currently offers a diagnostic genetic test for CMO.

Author Contributions

Conceived and designed the experiments: MKH HL CD. Performed the experiments: MKH MA AKL MOL VJ SH ESar TJ DG PN. Analyzed the data: MKH MA AKL MOL VJ SH ESar TJ DG PN CD HL. Contributed reagents/materials/analysis tools: MA ESal PV JK CD HL. Wrote the paper: MKH AKL PN CD HL.