1. Department of Clinical Oncology The University of Hong Kong‐Shenzhen Hospital Guangdong China
2. Department of Clinical Oncology The University of Hong Kong Hong Kong Hong Kong
3. Department of Clinical Oncology Queen Elizabeth Hospital Hong Kong Hong Kong
4. Department of Clinical Oncology Pamela Youde Nethersole Eastern Hospital Hong Kong Hong Kong
5. Department of Clinical Oncology Tuen Mun Hospital Hong Kong Hong Kong
6. Department of Clinical Oncology Princess Margaret Hospital Hong Kong Hong Kong
7. Department of Clinical Oncology Queen Mary Hospital Hong Kong Hong Kong
8. Department of Clinical Oncology Sun Yat‐sen University Cancer Center Guangzhou China
9. Department of Clinical Oncology Prince of Wales Hospital Hong Kong Hong Kong
10. Department of Biostatistics University of Wisconsin Medical School Madison Wisconsin USA