About the Authors

Dan Norbäck

dan.norback@medsci.uu.se

Affiliation Uppsala University, Department of Medical Science, Occupational and Environmental Medicine, University Hospital, Uppsala, Sweden

Pawel Markowicz

Affiliation Division of Medical Microbiology, Department of Laboratory Medicine, University of Lund, Lund, Sweden

Gui-Hong Cai

Affiliation Uppsala University, Department of Medical Science, Occupational and Environmental Medicine, University Hospital, Uppsala, Sweden

Zailina Hashim

Affiliation Department of Environmental and Occupational Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia

Faridah Ali

Affiliation Primary Care Unit, Johor State Health Department, Johor Bahru, Malaysia

Yi-Wu Zheng

Affiliation Asia Pacific Research, ALK-Abello A/S, Guanzhou, China

Xu-Xin Lai

Affiliation Asia Pacific Research, ALK-Abello A/S, Guanzhou, China

Michael Dho Spangfort

Affiliation Asia Pacific Research, ALK-Abello A/S, Guanzhou, China

Lennart Larsson

Affiliation Division of Medical Microbiology, Department of Laboratory Medicine, University of Lund, Lund, Sweden

Jamal Hisham Hashim

Affiliations United Nations University-International Institute for Global Health, Kuala Lumpur, Malaysia, Department of Community Health, National University of Malaysia, Kuala Lumpur, Malaysia

Competing Interests

Yiwu Zheng, Xuxin Lai and Michael Dho Spangfort are employed by ALK-Abello A/S. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: DN ZH JHH. Performed the experiments: DN PM ZH FA YWZ XXL. Analyzed the data: DN PM ZH FA YWZ XXL. Contributed reagents/materials/analysis tools: DN LL MDS. Wrote the paper: DN PM GHC ZH FA YWZ XXL MDP LL JHH.