authorsSelected=new ArrayList<String>();
this.authorsSelected.add("2");
//String json = JsonUtils.fromJavaToJson(authorsSelected);
authorsList = new ArrayList<Author>();
authorsList.add(new Author("1", "Alberto", "Vazquez Figueroa"));
authorsList.add(new Author("2", "Javier", "Sierra"));
authorsList.add(new Author("3", "Iker", "Jimenez"));
authorsList.add(new Author("4", "Santiago", "Camacho"));
authors = new HashMap<String, String>();
for (Author currentAuthor : authorsList) {
authors.put(currentAuthor.getId(), currentAuthor.getCompleteName());
}