... instrument for calculating QALYs based on actual measurements of patients' HRQoL [3].The EQ-5D instrument consists of a five-item descriptivesystem of health states and a visual analog scale (VAS).Scores ... Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand, 2Department of Pharmacy Administration, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, ... Bangkok, Thailand and 3Sawangdandin Crown Prince Hospital, Sakolnakorn, ThailandEmail: Phantipa Sakthong* - phantipa_sakthong@yahoo.com; Rungpetch Charoenvisuthiwongs - rungpetch.c@chula.ac.th;...