| article html file updated | 5 February 2020 16:51 CET | Update | https://www.mdpi.com/2079-4983/2/1/18 |
| article html file updated | 9 May 2019 01:39 CEST | Update | N/A |
| article html file updated | 20 March 2019 06:20 CET | Update | N/A |
| article html file updated | 16 June 2015 14:55 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2079-4983/2/1/18/xml |
| article html file updated | 12 May 2014 15:29 CEST | Update | N/A |
| article xml file uploaded | 12 May 2014 15:29 CEST | Original file | N/A |
| article html file updated | 6 February 2013 20:21 CET | Update | N/A |
| article html file updated | 6 February 2013 00:12 CET | Update | N/A |
| article html file updated | 28 January 2013 21:41 CET | Update | N/A |
| article html file updated | 26 January 2013 01:38 CET | Update | N/A |
| article html file updated | 22 January 2013 12:38 CET | Original file | N/A |