1. Thoracic Oncology Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA 94115.
2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan 613.
3. Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan 333.
4. Department of Respiratory Care, College of Medicine, Chang Gung University, Taoyuan, Taiwan 333.
5. Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Taoyuan, Taiwan 333.
6. Auerback Melanoma Research Laboratory, Melanoma Center and Department of Dermatology, and Cutaneous Oncology Program, Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94115.