About the Authors

Weng Kee Wong

Affiliation Department of Biostatistics, University of California, Los Angeles, USA

Ray-Bing Chen

Affiliation Department of Statistics, National Cheng Kung University, Taiwan

Chien-Chih Huang

Affiliation Department of Mathematics, National Taiwan University, Taipei, Taiwan

Weichung Wang


Affiliation Institute of Applied Mathematical Sciences, National Taiwan University, Taiwan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WKW RBC CCH WW. Performed the experiments: CCH. Analyzed the data: WKW RBC CCH WW. Wrote the paper: WKW RBC WW.