| article html file updated | 5 February 2020 21:23 CET | Update | https://www.mdpi.com/2073-4409/1/3/449 |
| article html file updated | 8 May 2019 16:04 CEST | Update | N/A |
| article html file updated | 25 March 2019 13:08 CET | Update | N/A |
| article html file updated | 17 June 2015 01:22 CEST | Update | N/A |
| article html file updated | 30 August 2013 09:05 CEST | Update | N/A |
| article xml file uploaded | 30 August 2013 09:05 CEST | Original file | https://www.mdpi.com/2073-4409/1/3/449/xml |
| article html file updated | 7 February 2013 13:56 CET | Update | N/A |
| article html file updated | 7 February 2013 04:56 CET | Update | N/A |
| article html file updated | 6 February 2013 09:19 CET | Update | N/A |
| article html file updated | 29 January 2013 05:39 CET | Update | N/A |
| article html file updated | 26 January 2013 18:22 CET | Update | N/A |
| article html file updated | 23 January 2013 23:01 CET | Original file | N/A |
