1. Department of Pharmacology, Chungnam National University School of Medicine, Daejeon, Korea.
2. Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, Korea.
3. Department of Pharmacy, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea.
4. Pulmonology Section, Department of Internal Medicine, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.