@article{T. F. Lau2015, author = "Joseph T. F. Lau and Zixin Wang and Jean H. Kim and Mason Lau and Coco H. Y. Lai and Phoenix K. H. Mo", title = "{Frequency distributions of the background variables (Nā€Š=ā€Š542).}", year = "2015", month = "12", url = "https://plos.figshare.com/articles/dataset/_Frequency_distributions_of_the_background_variables_N_8202_8202_542_/671244", doi = "10.1371/journal.pone.0057204.t001" }