1. Center of Excellence for Health Economics, Faculty of Economics, Chulalongkorn University, Bangkok, Thailand
2. Division of Ambulatory Medicine, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
3. Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
4. Faculty of Pharmaceutical Sciences (Pharmacy Administration), Prince of Songkhla University, Songkhla, Thailand
5. Department of Pharmacotherapy, College of Pharmacy, University of Utah, Salt Lake City, UT, USA