public void checkChanges(){
		for(File file : listOfPatientFiles){
			boolean isInToSend = false;
			
			for(int j = 0; j < listToSend.size(); j++){
				
				File toSend = listToSend.get(j);
				//FILE EXISTS
				if(file.getName().compareTo(toSend.getName())==0){
					isInToSend = true;
					
					//NEW VERSION
					if(file.lastModified()>toSend.lastModified()){
						System.out.println("NEW VERSION OF " + file.getName() + " AVAILABLE");
						listToSend.set(j, file);
					}
					//OLD VERSION : DO NOTHING
				}
			}
			
			if(!isInToSend) {
				listToSend.add(file);
				System.out.println("ADD " + file.getName());
			}
			
			createFilesToSend();
		}
	}