1. Centers for Disease Control and Prevention, Division of Adolescent and School Health, 1600 Clifton Rd, NE, US8‐1 Atlanta GA 30329‐4027.
2. San Diego State University—University of California, San Diego Joint Doctoral Program in Public Health, 5500 Campanile Drive San Diego CA 92182.
3. Division of Adolescent and School Health, 1600 Clifton Rd, NE, US8‐1 Atlanta GA 30329‐4027.
4. The University of Toledo, School of Population Health, 2801 W. Bancroft, HH 1012, MS #119 Toledo OH 43606.
5. Division of Population Health, 1600 Clifton Rd, NE, S107‐6 Atlanta GA 30329‐4027.
6. Division of Adolescent and School Health (Retired), 1600 Clifton Rd, NE, US8‐1 Atlanta GA 30329‐4027.