[{"code":"1","name":"Materská dovolenka","validity_from":"2007-05-01","validity_to":null},{"code":"4","name":"Na žiadosť študenta","validity_from":"2010-10-01","validity_to":null},{"code":"3","name":"Študijný pobyt v zahraničí","validity_from":"2007-05-01","validity_to":null},{"code":"2","name":"Zdravotné problémy","validity_from":"2007-05-01","validity_to":null}]