[1] Raffles Med Grp, Div Primary Care, Singapore, Singapore
[2] Natl Univ Hosp Syst, Univ Med Cluster, Div Family Med, Dept Med, Singapore, Singapore
[3] Duke NUS Grad Med Sch, Singapore, Singapore
[4] Nanyang Technol Univ, Lee Kong Chian Sch Med, Singapore, Singapore
[5] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[6] Tan Tock Seng Hosp, Home Ventilat & Resp Support Serv, Singapore, Singapore
[7] Tan Tock Seng Hosp, Continuing & Community Care, Singapore, Singapore
[8] Saw Swee Hock Sch Publ Hlth, Med Undergrad Educ, Singapore, Singapore
[9] Minist Hlth, Policy Res & Econ Off, Singapore, Singapore