About the Authors

Kyung Sun Park

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Jongha Park

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Seong Hoon Choi

Affiliation Department of Radiology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Seo Hee Ann

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Gillian Balbir Singh

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Eun-Seok Shin

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Jong Soo Lee

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Hyun Chul Chung

hcjungmd@uuh.ulsan.kr

Affiliation Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JP HCC ESS. Performed the experiments: KSP JP SHC SHA GBS. Analyzed the data: KSP JP HCC ESS. Contributed reagents/materials/analysis tools: JP. Wrote the paper: KSP JP SHC SHA GBS ESS JSL HCC.