“…Misunderstandings concerning probable life-shortening effects of PS and differentiating PS from euthanasia (2)(3)(4) may have led to barriers and concerns in the application of PS in clinical practice. Rather inconsistent treatment regimens and research findings on the definition (1,(5)(6)(7)(8), incidence (9,10), indications (10)(11)(12), medication, and general professionals' attitudes (13)(14)(15)(16)(17)(18) toward PS were reported (9,15). Due to these uncertainties, the necessity for standardized guidelines was expressed (19).…”