[1] Mayo Clin Hosp, Cardiovasc Med, Phoenix, AZ USA
[2] Thammasat Univ, Dept Surg, Cardiothorac Surg, Bangkok, Thailand
[3] Univ Hawaii, Internal Med Residency Program, Honolulu, HI USA
[4] Albert Einstein Med Ctr, Internal Med Residency Program, Philadelphia, PA USA
[5] Mahidol Univ, Ramathibodi Hosp, Dept Obstet & Gynecol, Bangkok, Thailand
[6] Mahidol Univ, Internal Med Residency Program, Siriraj Hosp, Bangkok, Thailand
[7] Chulalongkorn Univ, Fac Med, Bangkok, Thailand
[8] Chiang Mai Univ, Fac Med, Dept Microbiol, Chiang Mai, Thailand
[9] Mahidol Univ, Ramathibodi Hosp, Bangkok, Thailand
[10] Mahidol Univ, Siriraj Hosp, Dept Anat, Bangkok, Thailand
[11] Univ Calif Irvine, Med Ctr, Dept Med, Div Nephrol Hypertens & Kidney Transplantat, Orange, CA 92868 USA