@article{LoetschUltsch2018,
  author    = {J{\"o}rn L{\"o}tsch and Alfred Ultsch},
  title     = {Machine learning in pain research},
  journal   = {Pain},
  volume    = {159},
  number    = {4},
  pages     = {623 -- 630},
  doi       = {10.1097/j.pain.0000000000001118},
  year      = {2018},
}