[1] AIIMS, Dr BR Ambedkar IRCH, Dept Oncoanaesthesia & Palliat Med, New Delhi 110029, India
[2] Stanford Univ, Sch Med, VA Palo Alto Stanford Palliat Care Program, Stanford, CA 94305 USA
[3] Stanford Univ, Sch Med, Med, Stanford, CA 94305 USA
[4] Stanford Healthcare, Strateg Programs Chief Med Officer, Stanford, CA USA
[5] Peter MacCallum Canc Ctr, Dept Pain & Palliat Care, Melbourne, Vic, Australia
[6] AIIMS, Dr BR Ambedkar IRCH, Dept Surg Oncol, New Delhi, India