x ▁was ▁closed , ▁and ▁all ▁mission aries ▁fled ▁the ▁country ▁for ▁their ▁safety . ▁However , ▁part ▁of ▁the ▁clin ic ▁continued ▁its ▁operation ▁under ▁the ▁direction ▁of ▁Mr . ▁Pl eng , ▁a ▁medical ▁assistant , ▁and ▁Dr . ▁S . ▁B ene , ▁a ▁Roman ian ▁phys ician . ▁At ▁end ▁of ▁the ▁war , ▁the ▁over se as ▁staff ▁returned ▁and ▁the ▁hospital ▁was ▁re open ed . ▁The ▁former ▁Anne x ▁became ▁the ▁initial ▁building ▁for ▁the ▁expanded ▁" B ang k ok ▁San ator ium ▁& ▁Hospital ". ▁ ▁The ▁Bang k ok ▁Advent ist ▁Hospital ▁School ▁of ▁N urs ing ▁was ▁established ▁in ▁ 1 9 4 7 . ▁In ▁ 1 9 8 6 , ▁a ▁Bach elor ▁of ▁Science ▁in ▁N urs ing ▁was ▁introduced ▁and ▁acc red ited . ▁The ▁school ▁of ▁n urs ing , ▁along ▁with ▁S out heast ▁Asia ▁Union ▁College ▁( S . A . U . C ), ▁merged ▁in ▁ 1 9 9 2 ▁to ▁form ▁Mission ▁College . ▁It ▁was ▁acc red ited ▁by ▁the ▁Ministry ▁of ▁University ▁Affairs ▁in ▁ 1 9 9 4 . ▁On ▁August ▁ 4 , ▁ 2 0 0 8 ▁Mission ▁College ▁received ▁university ▁status ▁from ▁the ▁Royal ▁Th ai ▁Government ▁and ▁was ▁renamed ▁Asia - P ac ific ▁International ▁University ▁( A . I . U ). ▁Two ▁years ▁of ▁pre - cl in ical ▁studies ▁are ▁conducted ▁on ▁the ▁A . I . U . ▁campus ▁at ▁Mu