[1] Lahore Gen Hosp, Lahore, Pakistan
[2] Multan Inst Kidney Dis, Multan, Pakistan
[3] Red Crescent Tampa Bay, Tampa, FL USA
[4] Mayo Clin, Rochester, MN USA
[5] Pakistan Kidney & Liver Inst & Res Ctr, Lahore, Pakistan
[6] Pir Abdul Qadir Shah Jeelani Inst Med Sci, Gambat, Pakistan
[7] Monash Univ, Sch Pharm, Subang Jaya, Selangor, Malaysia
[8] All India Inst Med Sci, Dept Microbiol, Gorakhpur, India
[9] Postgrad Inst Med Educ & Res, Dept Community Med, Chandigarh, India
[10] Postgrad Inst Med Educ & Res, Sch Publ Hlth, Chandigarh, India
[11] Tribhuvan Univ Teaching Hosp, Inst Med, Kathmandu, Nepal
[12] Dr DY Patil Vidyapeeth, Dr DY Patil Med Coll Hosp & Res Ctr, Dept Microbiol, Pune, Maharashtra, India
[13] Harvard Med Sch, Boston, MA 02115 USA