1. Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
2. Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
3. Biostatistics Excellence Centre, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
4. HIV-NAT, Thai Red Cross AIDS Research Centre, Bangkok, Thailand
5. Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand