Affiliation: | aDivision of Biostatistics and Bioinformatics, Institute of Population Health Sciences, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 350, Taiwan;bCenter for Health Policy Research and Development, Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan;cDepartment of Educational Psychology, University of Wisconsin–Madison, Madison, WI, USA |