[1] Icahn Sch Med Mt Sinai, Dept Neurol, New York, NY USA
[2] NYU, Vilcek Inst Grad Biomed Sci, Grossman Sch Med, New York, NY USA
[3] Univ Witwatersrand, Fac Hlth Sci, Sch Physiol, Brain Funct Res Grp, Johannesburg, South Africa
[4] Kings Coll London, Inst Psychiat Psychol & Neurosci, Hlth Psychol Sect, London, England
[5] Guys & St Thomas NHS Fdn Trust, INPUT Pain Unit, London, England
[6] British HIV Assoc BHIVA, London, England
[7] Univ Toronto, Temerty Fac Med, Dept Phys Therapy, Toronto, ON, Canada
[8] Univ Toronto, Rehabil Sci Inst RSI, Toronto, ON, Canada
[9] Univ Toronto, Dalla Lana Sch Publ Hlth, Inst Hlth Policy Management & Evaluat IHPME, Toronto, ON, Canada
[10] Canadian HIV AIDS & Chron Pain Soc, Ottawa, ON, Canada
[11] Brown Univ, Sch Med, Providence, RI USA
[12] Yale Sch Med & Publ Hlth, New Haven, CT USA
[13] Royal Holloway Univ London, Dept Psychol, Egham, England
[14] Washington Univ, Sch Med, Dept Anesthesiol, St Louis, MO USA
[15] Kings Coll London, Cicely Saunders Inst, Florence Nightingale Fac Nursing Midwifery & Palli, London, England
[16] Univ Cape Town, Fac Hlth Sci, Dept Anaesthesia & Perioperat Med, Cape Town, South Africa
[17] UCL, Inst Global Hlth, London, England
[18] Montefiore Med Ctr, Albert Einstein Coll Med, Bronx, NY USA
[19] Univ Washington, Sch Med, Seattle, WA USA
[20] Univ Pittsburgh, CHAllenges Managing & Preventing Pain CHAMPP Clin, Dept Med, Div Gen Internal Med, Pittsburgh, PA USA
[21] Icahn Sch Med Mt Sinai, Dept Neurol, Box 1052,One Gustave L Levy Pl, New York, NY 10029 USA