[1] New Delhi Pain Management Ctr, Dept Pain Med, New Delhi, India
[2] Tata Mem Hosp, Dept Anesthesiol Crit Care & Pain, Bombay, Maharashtra, India
[3] MS Ramaiah Med Coll & Hosp, Dept Orthoped, Bengaluru, India
[4] Sir Ganga Ram Hosp, Dept Orthoped Surg, New Delhi, India
[5] Mukund Hosp, Dept Orthoped Surg, Bombay, Maharashtra, India
[6] Kamineni Hosp, Dept Pain Management, Hyderabad, Andhra Pradesh, India
[7] ESI Hosp Sealdah, Dept Pain Management, Kolkata, India
[8] Apollo Hosp, Dept Pain Consultat, Madras, Tamil Nadu, India
[9] Indira Gandhi Med Coll & Res Inst, Dept Orthoped, Pondicherry, India
[10] Jaslok Hosp, Dept Orthoped Surg, Bombay, Maharashtra, India
[11] Ramakrishna Miss Seva Pratisthan, Dept Neurol, Kolkata, India
[12] Univ Delhi, Univ Med Coll, New Delhi, India
[13] Wockhardt Ltd, Med Affairs, Bombay, Maharashtra, India