1. Division of Epidemiology Department of Medicine Vanderbilt Epidemiology Center Vanderbilt‐Ingram Cancer Center Vanderbilt University School of Medicine Nashville Tennessee 37203
2. Program of Quantitative Methods in Education University of Minnesota Minneapolis Minnesota 55455
3. Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics Dongguan Scientific Research Center Guangdong Medical University Dongguan 523808 China
4. Oncology Institute the Affiliated Hospital of Nanjing Medical University Changzhou No.2 People's Hospital Changzhou Jiangsu 213003 China
5. Department of Hematology the Affiliated Hospital of Xuzhou Medical College Xuzhou Jiangsu 221000 China
6. Department of Neurology the Affiliated Brain Hospital of Nanjing Medical University Nanjing Jiangsu 210000 China
7. Department of Epidemiology Tulane University School of Public Health and Tropical Medicine New Orleans Louisiana 70112
8. Department of Neurology Taihe Hospital Affiliated to Hubei University of Medicine Shiyan Hubei 442000 China