“…Studies describe (i) empirical characteristics of patients and practices involved, 3,4 (ii) competence issues and advance directives, [5][6][7][8][9] (iii) the way RTEs apply legal criteria, 10,11 (iv) the role of physicians and how euthanasia affects them. [12][13][14][15][16][17][18] Ethical questions have also been addressed, often at the level of individual cases. They revolve around (i) patient autonomy 19 and voluntariness, 20,21 (ii) suffering and the capriciousness of dementia, 20,22,23 (iii) timing and problems with anticipatory choices, 20,23 (iv) happiness, dignity and life's intrinsic value, 19,20 (v) doctors' involvement, 20 (vi) the ethical importance of cultural and medical (e.g., palliative care) developments.…”