@article{FleckensteinMaturaEngeroffetal.2015,
  author    = {Johannes Fleckenstein and Silke Matura and Tobias Engeroff and Eszter F{\"u}z{\´e}ki and Valentina Tesky and Ulrich Pilatus and Elke Hattingen and Ralf Deichmann and Lutz Vogt and Winfried Banzer and Johannes Pantel},
  title     = {SMART: physical activity and cerebral metabolism in older people: study protocol for a randomised controlled trial},
  journal   = {Trials},
  volume    = {16},
  number    = {155},
  doi       = {10.1186/s13063-015-0662-9},
  year      = {2015},
}