Discrepancy in animal protocol
The authors have identified a discrepancy between the 15 mg/kg, IP cocaine priming dose used in this study, and the IACUC approved protocol dose of 10 mg/kg, IP. The dose of 15 mg/kg, IP cocaine used for the repeated drug injections in this study is correct and approved in the same IACUC protocol and caused no pain or discomfort to mice.
Conflict of interest statement
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The handling Editor declared a shared affiliation, though no other collaboration, with the authors and states that the process nevertheless met the standards of a fair and objective review.