1. Department of Surgery; Prince of Wales Hospital, Chinese University of Hong Kong; Hong Kong People's Republic of China
2. Department of Breast Surgery; Dongguan People's Hospital; Dongguan People's Republic of China
3. Department of Medicine and Therapeutics; Prince of Wales Hospital, Chinese University of Hong Kong; Hong Kong People's Republic of China
4. Department of Respiratory Medicine; Affiliated Hospital of Guang Dong Medical College; Zhanjiang People's Republic of China
5. Shenzhen Hospital; Peking University; Shenzhen People's Republic of China
6. Department of Clinical Oncology; Prince of Wales Hospital, Chinese University of Hong Kong; Hong Kong People's Republic of China