1. University of California, San Francisco-Fresno Branch Campus, Fresno, CA 93701, USA
2. Loma Linda University Medical Center, Loma Linda, CA 92354, USA
3. Department of Internal Medicine for UCSF, University of California, and UC Riverside, Riverside, CA 92521, USA
4. City of Hope-Duarte, Department of Hematology & Oncology, Duarte, CA 91010, USA