1 Felicitas is a postdoc at the Institute for Ethics, History and Philosophy of Medicine at Hannover Medical School, Hannover. Email: Selter.Felicitas@mh-hannover.de.
2 Kirsten is a postdoc at the Institute for Animal Hygiene, Animal Welfare and Farm Animal Behaviour at the University of Veterinary Medicine Hannover, Hannover.
3 Gerald is a member of the Institute for Ethics, History and Philosophy of Medicine and the Clinical Ethics Committee at Hannover Medical School, Hannover.