title: Heterogeneity of treatment effects.
authors.affiliation: Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, USA ; Division of Biostatistics, Department of Psychiatry, Columbia University Medical Center, New York, USA.
authors.forename: Naihua
authors.initials: N
authors.lastname: Duan
authors.affiliation: Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, USA ; Division of Biostatistics, Department of Psychiatry, Columbia University Medical Center, New York, USA.
authors.forename: Yuanjia
authors.initials: Y
authors.lastname: Wang