About the Authors

Alexander Varzari

varsahr@yahoo.com

Affiliations Phthisiopneumology Institute “Chiril Draganiuc”, Kishinev, Moldova, Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Tomsk, Russia, Department of Biology II, Ludwig Maximilians University Munich, Planegg-Martinsried, Germany

Vladimir Kharkov

Affiliation Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Tomsk, Russia

Alexey G. Nikitin

Affiliation Biology Department, Grand Valley State University, Allendale, Michigan, United States of America

Florina Raicu

Affiliations Anthropological Research Centre “Francisc Rainer”, Romanian Academy, Bucharest, Romania, Genetics Chair, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania

Kseniya Simonova

Affiliation Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Tomsk, Russia

Wolfgang Stephan

Affiliation Department of Biology II, Ludwig Maximilians University Munich, Planegg-Martinsried, Germany

Elisabeth H. Weiss

Affiliation Department of Biology II, Ludwig Maximilians University Munich, Planegg-Martinsried, Germany

Vadim Stepanov

Affiliations Research Institute of Medical Genetics, Russian Academy of Medical Sciences, Tomsk, Russia, Genomnaya Diagnostika Ltd., Tomsk, Russia

Competing Interests

Dr. Vadim Stepanov is an employee of a commercial company “Genomnay Diagnostika Ltd.” However, this does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Performed the sample collection: AV FR. Discussed the results and commented on the manuscript: AV VK AN FR KS WS EW VS. Conceived and designed the experiments: AV VK. Performed the experiments: AV VK KS FR. Analyzed the data: AV WS. Contributed reagents/materials/analysis tools: VS EW. Wrote the paper: AV AN.