1. aDivision of Epidemiology and Biostatistics, School of Public Health
2. bDepartment of Mathematics and Statistics, San Diego State University, San Diego, California
3. cCommunities Fighting COVID! Returning Our Kids Back to School Safely, San Diego State University Research Foundation, San Diego, California
4. dSweetwater Union High School District, Chula Vista, California
5. egeMatrix, Inc., San Diego, California
6. fSBCS, Chula Vista, California