Empathy; Euthanasia/ethics; Euthanasia/legislation & jurisprudence; Homicide/ethics; Homicide/legislation & jurisprudence; Patient Care Team/ethics; Patient Care Team/legislation & jurisprudence; Physician-Patient Relations/ethics; Adult; Aged; Burnout, Professional/diagnosis; Burnout, Professional/psychology; Conflict, Psychological; Cooperative Behavior; Dangerous Behavior; Euthanasia/psychology; Female; Germany; Homes for the Aged; Homicide/psychology; Hospitals, Psychiatric; Humans; Interdisciplinary Communication; Male; Middle Aged; Motivation; Nursing Homes; Suicide, Assisted/ethics; Suicide, Assisted/legislation & jurisprudence; Suicide, Assisted/psychology; Switzerland