@article{SeufertPoigneeHossfeldetal.2022,
  author    = {Anika Seufert and Fabian Poign{\´e}e and Tobias Hoßfeld and Michael Seufert},
  title     = {Pandemic in the digital age: analyzing WhatsApp communication behavior before, during, and after the COVID-19 lockdown},
  journal   = {Humanities and Social Sciences Communications},
  volume    = {9},
  doi       = {10.1057/s41599-022-01161-0},
  year      = {2022},
}