[1] Chulalongkorn Univ, Div Nephrol, Dept Med, Fac Med, Bangkok, Thailand
[2] Chulalongkorn Univ, Fac Med, Biostat Excellence Ctr, Bangkok, Thailand
[3] Chulalongkorn Univ, Dept Pharmacol, Fac Med, Bangkok, Thailand
[4] Chulalongkorn Univ, Div Clin Epidemiol, Dept Med, Fac Med, Bangkok, Thailand