journalclub: change in program

The articles that need to be read for the journalclub meeting #7 and #8 are switched! See below for an update.

7 5-nov Ovaska MT, Madanat R, Huotari K, et al. Risk Factors for Deep Surgical Site Infection. 2013;348–353.
8 12-nov Hernán M a., Hernández-Díaz S, Robins JM. A Structural Approach to Selection Bias. Epidemiology. 2004;15(5):615–625.