[1] Peoples Univ Med & Hlth Sci Women, Publ Hlth, Nawabshah, Pakistan
[2] Dow Univ Hlth Sci, Neurol, Karachi, Pakistan
[3] Dow Univ Hosp, Orthoped Surg, Karachi, Pakistan
[4] Dow Univ Hlth Sci, Internal Med, Karachi, Pakistan
[5] Dow Univ Hlth Sci, Med, Karachi, Pakistan
[6] Dow Med Coll, Med & Surg, Karachi, Pakistan
[7] Civil Hosp, Dow Med Coll, Med, Karachi, Pakistan
[8] Sindh Med Coll, Internal Med, Karachi, Pakistan
[9] Calif Canc Associates Res & Excellence, Hematol Oncol, Fresno, CA USA
[10] Univ Louisville, Internal Med, Louisville, KY 40292 USA