About the Authors

Ruth Tachezy

rutach@uhkt.cz

Affiliation Department of Experimental Virology, Institute of Hematology and Blood Transfusion, Prague, Czech Republic

Jana Smahelova

Affiliation Department of Experimental Virology, Institute of Hematology and Blood Transfusion, Prague, Czech Republic

Jana Kaspirkova

Affiliation Bioptic Laboratory, Pilsen, Czech Republic

Martina Salakova

Affiliation Department of Experimental Virology, Institute of Hematology and Blood Transfusion, Prague, Czech Republic

Competing Interests

Biopticka laboratory is a private company providing routine pathological, cytological and molecular genetic diagnostics of human clinical samples. The co-author, Jana Kaspirkova, is a molecular geneticist who is responsible for appropriate sample collection and who contributed to the data analysis. There is no potential conflict of interest concerning the study results and she confirms that this does not alter the adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RT. Performed the experiments: JK JS MS. Analyzed the data: JK RT. Contributed reagents/materials/analysis tools: RT JK. Wrote the manuscript: JS RT MS.