“…One study was a prospective observational study (Coyne, 2021 [ 31 ]), three were retrospective studies (Chan, 2021 [ 30 ], De Oliveira, 2021 [ 32 ], Rojas, 2016 [ 35 ]) and five were narrative reviews (Bell, 2018 [ 29 ], Lamba, 2010 [ 33 ], Long, 2020 [ 34 ], Siegel, 2017 [ 36 ], Solberg, 2015 [ 37 ]). One study examined the management of geriatric patients at the end of life (Bell, 2018 [ 29 ]), two studies examined oncology patients in palliative care (Coyne, 2021 [ 31 ] and Long, 2020 [ 34 ]), two studies examined patients in hospice or in need of hospice care (Lamba, 2010 [ 33 ], Siegel, 2017 [ 36 ]), and three studies examined end-of-life patients who needed palliative care for any reason (de Oliveira, 2021 [ 32 ], Rojas, 2016 [ 35 ], Solberg, 2015 [ 37 ]). Regarding age, one narrative review (Bell, 2018 [ 29 ]) and four observational studies (Chan, 2021 [ 30 ], Coyne, 2021 [ 31 ], de Oliveira, 2021 [ 32 ], Rojes, 2016 [ 35 ]) focused on adult patients, while three narrative reviews did not include information on the age of the patients studied.…”