1. Department of Medicine; Stanford University Medical Center; Palo Alto CA USA
2. Genomics Research Center; Academia Sinica; Taipei Taiwan
3. Institute of Clinical Medicine; National Yang-Ming University; Taipei Taiwan
4. Division of Gastroenterology and Hepatology; Stanford University Medical Center; Palo Alto CA USA
5. Department of Medicine; University of California San Diego; San Diego CA USA
6. Pacific Health Foundation; San Jose CA USA
7. San Jose Gastroenterology; San Jose CA USA
8. Mountain View Division; Palo Alto Medical Foundation; Mountain View CA USA
9. Chinese Hospital; San Francisco CA USA
10. Stanford Cancer Institute; Stanford School of Medicine; Palo Alto CA USA
11. Health Research and Policy Department; Stanford School of Medicine; Standford CA USA
12. Graduate Institute of Epidemiology and Preventive Medicine; National Taiwan University; Taipei Taiwan