[1] Chulalongkorn Univ, Div Nephrol, Dept Med, Bangkok, Thailand
[2] Chulalongkorn Univ, Ctr Excellence Metab Bone Dis CKD Patients, Bangkok, Thailand
[3] Chulalongkorn Univ, Fac Med, Dept Med, Div Clin Epidemiol, Bangkok, Thailand
[4] Bangkok Christian Hosp, Dept Med, Div Nephrol, Bangkok, Thailand
[5] Chulalongkorn Univ, Fac Med, Dept Physiol, Bangkok, Thailand
[6] Benjakitti Pk Hosp, Benchakitti MDCU Hemodialysis Ctr, Bangkok 10330, Thailand
[7] Kidney Fdn Thailand, Bangkok, Thailand
[8] Chulalongkorn Univ, King Chulalongkorn Mem Hosp, Dept Med, Div Nephrol,Fac Med, 1873 Rama 4, Bangkok 10330, Thailand