@article{WagnerRosenbergHofmannetal.2020,
  author    = {Birgit Wagner and Nicole Rosenberg and Laura Hofmann and Ulrike Maaß},
  title     = {Web-based bereavement care},
  journal   = {Frontiers in psychiatry},
  series    = {a systematic review and meta-analysis},
  volume    = {11},
  doi       = {10.3389/fpsyt.2020.00525},
  year      = {2020},
}