310 Trent Drive (Trent Hall), Room 230, Durham, NC 27710 Shifeng Sun Positions Biostatistician II 310 Trent Drive (Trent Hall), Room 230, Durham, NC 27710 Biostatistics, Epidemiology, and Research Design (BERD) Methods Core Department of Biostatistics & Bioinformatics Staff BERD Core shifeng.sun@duke.edu