Affiliations

• ¹ Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, California.
• ² Truth Initiative Schroeder Institute, Washington, DC.
• ³ Department of Medicine, Center for Tobacco Control Research and Education, University of California San Francisco, San Francisco, California.
• ⁴ UC Merced Nicotine and Cannabis Policy Center, Health Sciences Research Institute, University of California Merced, Merced, California.
• ⁵ Department of Epidemiology and Population Health, Stanford Cancer Institute, Center for Population Health Sciences, Stanford University, Stanford, California.
• ⁶ Department of Pediatrics, Renaissance School of Medicine at Stony Brook University, Stony Brook, New York.