[1] Khon Kaen Univ, Fac Med, Karunruk Palliat Care Ctr, Khon Kaen, Thailand
[2] Thai Palliat Care Soc, Khon Kaen, Thailand
[3] Maesot Gen Hosp, Dept Social Med, Tak, Thailand
[4] Phra Nakhon Si Ayutthaya Reg Hosp, Dept Social Med, Phra Nakhon Si Ayutthaya, Thailand
[5] Udonthani Reg Hosp, Dept Med, Udonthani, Thailand
[6] Surin Reg Hosp, Dept Palliat Care & Long Term Care, Surin, Thailand
[7] Roi Et Reg Hosp, Dept Social Med, Roi Et, Thailand
[8] Phramongkutklao Hosp, Fac Med, Dept Pulm & Crit Care Med, Bangkok, Thailand
[9] Buddhachinaraj Reg Hosp, Dept Social Med, Phitsanulok, Thailand
[10] Nangrong Gen Hosp, Dept Nursing, Buriram, Thailand
[11] Vachira Phuket Reg Hosp, Jairak Palliat Care Ctr, Phuket, Thailand
[12] Songkhla Gen Hosp, Dept Social Med, Songkhla, Thailand
[13] Loei Gen Hosp, Dept Nursing, Loei, Thailand
[14] Nan Gen Hosp, Dept Social Med, Nan, Thailand
[15] Buriram Reg Hosp, Dept Social Med, Buriram, Thailand