Soontra PANMEKIATE (Chulalongkorn University) Somporn PRAPANPOJ (Thammasart University) Sangsom PRAPAYASATOK (Chiangmai University) Apirum JANHOM (Chiangmai University) Srichinda ATTAYAWONGSE (Prince Songkla University)
Karune VEROCHANA (Chiangmai University) Suwadee KOSITBOWORNCHAI (KhonKhaen University) Aree KANCHANAPRAPAS (Prince Songkla University) Suchaya DAMRONGSRI (Mahidol University)
28 May, 2004