1. Department of Applied Chemistry, National Chi Nan University, Puli, Nantou 54561, Taiwan, R.O.C.
2. Division of Chest Medicine, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 40705, Taiwan, R.O.C.
3. Center for Neuropsychiatry, China Medical University Hospital, Taichung 40447, Taiwan, R.O.C.
4. Department of Surgery, Chung Shan Hospital, Tapei 10685, Taiwan, R.O.C.