[1] Univ Toronto, Temerty Fac Med, Dept Phys Therapy, 160-500 Univ Ave, Toronto, ON M5G 1V7, Canada
[2] Univ Toronto, Inst Hlth Policy Management & Evaluat IHPME, Dalla Lana Sch Publ Hlth, 155 Coll St,4th Floor, Toronto, ON M5T 3M7, Canada
[3] Univ Toronto, Rehabil Sci Inst RSI, 500 Univ Ave,Room 160, Toronto, ON M5G 1V7, Canada
[4] Univ Toronto, Dalla Lana Sch Publ Hlth, 155 Coll St,4th Floor, Toronto, ON M5T 3M7, Canada
[5] Univ Manchester, Ctr Primary Care, Hlth Serv Res, Oxford Rd, Manchester M13 9PL, England
[6] Univ Manchester, Fac Biol, Sch Hlth Sci, Div Nursing Midwifery & Social Work, Oxford Rd, Manchester M13 9PL, England
[7] Chelsea & Westminster Hosp NHS Fdn Trust, Therapies Dept, London, England
[8] Univ Regina, Fac Social Work, Saskatoon Campus,111-116 Res Dr, Saskatoon, SK S7N 3R3, Canada
[9] Univ Toronto, Factor Inwentash Fac Social Work, 246 Bloor St, Toronto, ON M5S 1V4, Canada
[10] Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Med Sci Div, Radcliffe Observ Quarter, Radcliffe Primary Care Bldg,Woodstock Rd, Oxford OX2 6GG, England
[11] Univ Manchester, Hlth Ageing Res Grp HARG, Manchester, England
[12] Brighton & Sussex Univ Hosp NHS Trust, Royal Sussex Cty Hosp, Lawson Unit, Eastern Rd, Brighton BN2 5BE, England
[13] St James Hosp, Dept Infect Dis, Dublin, Ireland
[14] St James Hosp, Trinity Translat Med Inst, Trinity Coll Dublin, Sch Med,Dept Clin Med, Dublin 8, Ireland
[15] Univ Sussex, Brighton & Sussex Med Sch, Dept Global Hlth & Infect, Brighton BN1 9PX, England
[16] McMaster Univ, Sch Rehabil Sci, 1400 Main St West,Room 403, Hamilton, ON L8S 1C7, Canada