@article{FeisstHennigsHeiletal.2019,
  author    = {Manuel Feißt and Andr{\´e} Hennigs and J{\"o}rg Heil and Helfried Moosbrugger and Augustin Kelava and Ilona Stolpner and Meinhard Kieser and Geraldine Rauch},
  title     = {Refining scores based on patient reported outcomes - statistical and medical perspectives},
  journal   = {BMC medical research methodology},
  volume    = {19},
  number    = {1, Art. 167},
  pages     = {1 -- 9},
  doi       = {10.1186/s12874-019-0806-9},
  year      = {2019},
}