1. Department of Clinical Oncology and Center for Cancer Research; University of Hong Kong; Pokfulam Hong Kong Special Administrative Region People's Republic of China
2. Center for Nasopharyngeal Carcinoma Research; University of Hong Kong; Hong Kong Special Administrative Region People's Republic of China
3. Department of Clinical Oncology, Pamela Youde Nethersole Hospital; Hong Kong Special Administrative Region People's Republic of China
4. Department of Clinical Oncology; University of Hong Kong-Shenzhen Hospital; Shenzhen People's Republic of China
5. Department of Clinical Oncology; Queen Elizabeth Hospital; Hong Kong Special Administrative Region People's Republic of China
6. Department of Oncology; Princess Margaret Hospital; Hong Kong Special Administrative Region People's Republic of China
7. Department of Clinical Oncology; Tuen Mun Hospital; Hong Kong Special Administrative Region People's Republic of China