About the Authors
- Cecilia Young
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* E-mail: ceciliatyp@yahoo.com.hk
Affiliation Private Practice, Hong Kong
- Kin Yau Wong
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Affiliation Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Lim K. Cheung
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Affiliation The University of Hong Kong, Hong Kong
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: CY KYW LKC. Performed the experiments: CY. Analyzed the data: CY KYW LKC. Contributed reagents/materials/analysis tools: CY KYW. Contributed to the writing of the manuscript: CY KYW LKC. Wrote the paper: CY KYW LKC.