| article html file updated | 5 February 2020 10:40 CET | Update | https://www.mdpi.com/1660-4601/3/4/355 |
| article html file updated | 9 May 2019 14:43 CEST | Update | N/A |
| article html file updated | 19 March 2019 15:11 CET | Update | N/A |
| article html file updated | 25 October 2013 10:43 CEST | Original file | N/A |
| article xml file uploaded | 25 October 2013 10:43 CEST | Original file | https://www.mdpi.com/1660-4601/3/4/355/xml |
