[1] Taipei City Hosp, Taipei, Taiwan
[2] Natl Taiwan Univ, Dept Surg, Taipei, Taiwan
[3] Natl Taiwan Univ, Inst Hlth Policy & Management, Taipei, Taiwan
[4] Minist Hlth & Welf, Hlth Promot Adm, Taipei, Taiwan
[5] Kings Coll London, Cicely Saunders Inst Palliat Care Policy & Rehabi, London, England
[6] Univ Bradford, DHEZ Hlth & Wellbeing Ctr, Bradford, W Yorkshire, England
[7] Univ Washington, Cambia Palliat Care Ctr Excellence, Seattle, WA 98195 USA