[1] Mayo Clin Phoenix, Phoenix, AZ USA
[2] Albert Einstein Healthcare Network, Philadelphia, PA USA
[3] Chiang Mai Univ, Fac Med, Chiang Mai, Thailand
[4] Mahidol Univ, Siriraj Hosp, Fac Med, Bangkok, Thailand
[5] Mahidol Univ, Ramathibodi Hosp, Bangkok, Thailand
[6] Thammasat Univ, Fac Med, Bangkok, Thailand
[7] Chulalongkorn Univ, Fac Med, Bangkok, Thailand
[8] Srinakharinwirot Univ, Fac Med, Bangkok, Thailand
[9] Univ Hawaii, Internal Med Residency Program, Honolulu, HI USA
[10] Univ Calif Irvine, Sch Med, Irvine, CA USA