It's a replication paper on meta-analysis practice for medical research. And an interesting example of how applying AIC and BIC model selection to small samples can lead one astray. onlinelibrary.wiley.com/doi/…
Roodman and Morduch (2014): "...journal editors and referees are limited in their abilities to fully assess studies...Referees...work goes far, but it is not a substitute for re-analysis."