1 Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Scottsdale, Arizona; Department of Oncology, Fangshan Hospital, Beijing University of Chinese Medicine, Beijing, China.
2 Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Scottsdale, Arizona.
3 Division of Clinical Trials and Biostatistics, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota.
4 Division of Thoracic Surgery, Mayo Clinic, Scottsdale, Arizona.
5 Department of Radiation Oncology, Mayo Clinic, Scottsdale, Arizona.
6 Division of Hematology and Medical Oncology, Department of Medicine, Mayo Clinic, Scottsdale, Arizona.
7 Department of Dermatology, Mayo Clinic, Scottsdale, Arizona.
8 Division of Epidemiology, Department of Quantitative Health Sciences, Mayo Clinic, Scottsdale, Arizona. Electronic address: Yang.Ping@mayo.edu.