Do methodological flaws invalidate a randomized trial of lifestyle modification programs in obese patients?

@article{Berger2009DoMF,
  title={Do methodological flaws invalidate a randomized trial of lifestyle modification programs in obese patients?},
  author={Vance W. Berger},
  journal={Annals of internal medicine},
  year={2009},
  volume={151 1},
  pages={70; author reply 70-1}
}