Only require a single checkbox to be checked
Only require a single checkbox to be checked

adrifelt/experience-sampling,googlearchive/experience-sampling,googlearchive/experience-sampling,moduloprime/experience-sampling,modulexcite/experience-sampling,moduloprime/experience-sampling,googlearchive/experience-sampling,adrifelt/experience-sampling,modulexcite/experience-sampling,adrifelt/experience-sampling,modulexcite/experience-sampling