@article{SchulerMurauerStangletal.2019,
  author    = {Michael Schuler and Kathrin Murauer and Stephanie Stangl and Anna Grau and Katharina Gabriel and Lauren Podger and Peter U. Heuschmann and Hermann Faller},
  title     = {Pre-post changes in main outcomes of medical rehabilitation in Germany: protocol of a systematic review and meta-analysis of individual participant and aggregated data},
  journal   = {BMJ Open},
  volume    = {9},
  number    = {5},
  doi       = {10.1136/bmjopen-2018-023826},
  year      = {2019},
}