1 Division of Thoracic Surgery, Taichung Veterans General Hospital, Taichung, Taiwan; Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; National Chi Nan University, Nantou, Taiwan.
2 Division of Thoracic Surgery, Taichung Veterans General Hospital, Taichung, Taiwan.
3 Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Distinguished Professor & Director, Institute of New Drug Development, China Medical University, Taichung Director, Integrative Stem Cell Center, China Medical University Hospital, Taichung, Taiwan. Electronic address: hung3340@gmail.com.