AAP News & Journals. May 2018. An American Academy of Pediatrics (AAP) review of free tax preparation services provided to low-income taxpayers at four clinics across Boston in 2016 and 2017 finds that such services at urban clinics are a “promising, feasible financial intervention to increase tax filing and refunds, save fees and link clients to the EITC.” http://pediatrics.aappublications.org/content/early/2018/05/16/peds.2017-3608?sso=1&sso_redirect_count=1&nfstatus=401&nftoken=00000000-0000-0000-0000-000000000000&nfstatusdescription=ERROR%3a+No+local+token