1. Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
2. Department of Radiation Medicine and Applied Sciences, University of California San Diego, San Diego, CA, USA
3. Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
4. Department of Medicine, Division of Hospital Medicine, LAC + USC Medical Center, Los Angeles, CA, USA
5. Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA