| article html file updated | 5 February 2020 22:14 CET | Update | https://www.mdpi.com/2076-0817/1/2/83 |
| article html file updated | 8 May 2019 14:12 CEST | Update | N/A |
| article html file updated | 20 March 2019 13:10 CET | Update | N/A |
| article html file updated | 17 June 2015 02:45 CEST | Update | N/A |
| article html file updated | 26 August 2014 04:22 CEST | Update | N/A |
| article xml file uploaded | 26 August 2014 04:22 CEST | Update | https://www.mdpi.com/2076-0817/1/2/83/xml |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | N/A |
| article html file updated | 7 February 2013 15:29 CET | Update | N/A |
| article html file updated | 24 January 2013 03:47 CET | Original file | N/A |
