The PEERS program is indebted to C. Buchanan and R. Weiss for their vision and leadership and to the PEERS advisory board members for their guidance. We thank the Division of Undergraduate Education at UCLA for their ongoing support of the PEERS Program. Research was supported by an award from the National Institute of General Medical Sciences of the National Institutes of Health under award number R25GM055052. Prior work on this project was supported by a Howard Hughes Medical Institute Undergraduate Science Education Grant (Eiserling, principal investigator). This research was approved by UCLA’s Institutional Review Board (IRB no. 11.000049).